EXHIBIT 10.8

Mr. Bobby Duncan
Executive Vice President and Chief Financial Officer
United Services Advisors, Inc.
7900 Callaghan Road
San Antonio, Texas 78229

Dear Bobby:

Bank One, Texas, NA ("Bank") is pleased to offer United Services Advisors,  Inc.
("Borrower") a Real Estate Term Loan Facility  ("Loan").  The amount,  the terms
and the conditions of this facility is as follows:

                         REAL ESTATE TERM LOAN FACILITY

Borrower:     United Services Advisors, Inc.

Amount:       $1,385,000.00

Purposed:     To provide refinancing of an existing real estate note currently
              held at Frost Bank.

Fundings:     Loan  will  be  fully  funded  at  closing  (Subject  to  an  
              outside appraisalindicating a minimum value of $1,900,000.  The 
              appraisal value shall be determined  by  an  independent  MAI  
              appraiser  whose   acceptability  will  be determined by Bank One 
              in its sole discretion).

Rate:         7.75% fixed.

Fees:         None

Repayment:    Repayment  will consist of level monthly  payments of  
              approximately $11,738.23  (principal  including  interest)  based 
              on a 18.5 year  amortization schedule with a seven year balloon.  
              All unpaid  principal and accrued  interest will be due at 
              maturity.

Maturity:     Seven (7) years from closing.

Collateral:   First security interest in the following:

              * Deed of Trust to real property and improvements located at 
                7900 Callaghan Road, San Antonio, Texas 78229.

Guarantors:   None

                            LOAN AGREEMENT PROVISIONS

The above  availability  will be  governed  by a  comprehensive  loan  agreement
consisting of, but not limited to, the following:

*    Borrower will present annual audited  financial  statements  (10-K) to Bank
     within 90 days of fiscal year end.

*    Borrower will present the quarterly 10-Q report and compliance  certificate
     within 60 days of each quarter end.

*    Borrower will maintain the following financial ratios:

          Minimum current ratio                   2.0/1.0
          Maximum debt/worth ratio                1.0/1.0
          Minimum annual debt coverage ratio      1.5/1.0

          Debt  Coverage  Ratio  defined as Net Income  plus  Depreciation  plus
          Amortization  plus Interest  expense divided by Current  Maturities of
          Long Term Debt plus Current Portion of Capitalized Leases plus Current
          Portion of Annuity  Obligations  plus  Dividend  Payments and Interest
          Expense. (To be calculated on a rolling four (4) quarter basis).

*    Borrower will not make investments in or loans, or advances to any company,
     person, or entity outside of borrower's ordinary course of business.

*    Borrower will not merge or consolidate with any corporation,  or enter into
     any partnership, joint venture, or acquire any other entity.

*    Borrower  will not  sell,  transfer,  or  otherwise  dispose  of any of its
     assets, or enter into any arrangement accomplishing  substantially the same
     except for  transactions  which occur in the Borrower's  ordinary course of
     business.

*    Borrower  will not incur  additional  indebtedness  except for payables and
     accruals  incurred in  Borrower's  ordinary  course of  business.  Specific
     purchase money liens for equipment and fixed assets will be permitted.

*    Borrower will not pledge  assets,  guarantee  indebtedness  of others,  nor
     permit  any liens on its  assets  except  as  previously  disclosed  in the
     Borrower's financial statements.

*    Other standard loan  agreement  covenants  applicable to credit  facilities
     similar in nature.

                              CONDITIONS TO FUNDING

*    Receipt,  review, and acceptance of a current MAI appraisal on the proposed
     real estate collateral  property indicating a fair market value of at least
     $1,900,000.  APPRAISAL  TO BE  ORDERED  BY  BANK  ONE  UPON  ACCEPTANCE  OF
     COMMITMENT.

*    Receipt,  review, and acceptance of a Phase I Environmental Site Assessment
     study  indicating  the  proposed  real estate  collateral  is free from any
     hazardous  contamination.  PHASE I STUDIES  TO BE  ORDERED BY BANK ONE UPON
     ACCEPTANCE OF COMMITMENT.

*    Receipt by the Bank of A Mortgagee's  Title Policy issued to the Bank by an
     acceptable  title company in the amount of the respective  Real Estate Lien
     Note stating that fee simple title to the properties are vested in Borrower
     and that the Bank's Deed of Trust is the valid first lien  thereon  subject
     to no  exceptions  as the  areas or  boundaries  or any other  matters  not
     approved by Bank.

*    Receipt  of a  current  survey  or plat  of the  properties  prepared  by a
     registered  professional  engineer or licensed land surveyor  acceptable to
     the Bank and to the title  company  which  shall show  dimensions,  all lot
     lines,  easements,  adjoining roads, streets, and such other details as may
     reasonably  be required  by Bank.  The surveys  shall be  accompanied  by a
     description  of the  property  which  shall be  satisfactory  to our  legal
     counsel and the title company as the  description to be in the  Mortgagee's
     Title  Policy  and  the  Deed  of  Trust.  Said  survey  must  be in a form
     acceptable  to  the  issuer  of the  title  policy  to  delete  the  survey
     exception, save shortages in the area.

*    Receipt of Flood Plain  Certification  from an engineer or surveyor stating
     if any of the security property lies within the flood plain.

*    No material adverse change will have occurred in the financial condition of
     the borrower or guarantor.

*    The proper execution of the loan,  collateral and loan agreement  documents
     in form and substance acceptable to Bank.

*    Other requirements which may be deemed necessary by Bank's legal counsel.

*    All legal fees, appraisal fees, environmental site assessment fees, closing
     costs, or costs incidental to closing are to be paid by Borrower.

This commitment  letter will be governed by and construed in accordance with the
laws of the  State of Texas  and the  applicable  laws of the  United  States of
America and shall be performed in Bexar County, Texas.

This written letter agreement represents the final agreement between the parties
and may not be contradicted by evidence of prior, contemporaneous, or subsequent
agreements of the parties.  There are no unwritten oral  agreements  between the
parties.

The above  commitment will expire if not accepted in writing on or before May 1,
1994. If accepted,  this commitment will expire within 120 days of acceptance if
the loan referenced herein has not been closed.

Bank One is please to offer the above facility to United Services Advisors, Inc.
We look forward to providing  professional services of the highest standards and
to  the  continual   expansion  and   development   of  our  existing   business
relationship.

Upon  review of the terms  and  conditions,  please  indicate  acceptance  where
indicated and return the original to me at Bank One.

Sincerely,

/S/ Mark A. Miller
Mark A. Miller
Senior Vice President
Commercial Banking

Agreed and Accepted this 12th day of April, 1994.
UNITED SERVICES ADVISORS, INC. ("Borrower")
By: /S/ Bobby D. Duncan
Name: Bobby D. Duncan
Title: EVP, COO & CFO

                             MODIFICATION AGREEMENT

     This Modification  Agreement is made and entered into to be effective as of
September 30,  1994,  by and between  United  Services  Advisors,  Inc., a Texas
corporation   ("Borrower")  and  Bank  One,  Texas,  N.A.,  a  national  banking
association ("Lender");

                                   WITNESSETH:

     WHEREAS,  Borrower has heretofore executed and delivered to the Lender that
certain  Real Estate Lien Note  ("Note")  dated June 30,  1994,  in the original
principal  amount of One Million  Three  Hundred  Seventy  Five  Thousand  Three
Hundred Eight Five and 38/100 Dollars  ($1,375,385.38),  payable to the order of
the  Lender,  and  secured  by,  among  other  things a Deed of Trust,  Security
Agreement and Financing  Statement  ("Deed of Trust"),  of even date  therewith,
executed by Borrower to Charles D. Lutz, III,  Trustee for the Lender,  recorded
in Volume 6122,  Page 43, of the  Official  Public  Records of Real  Property of
Bexar  County,  Texas,  covering  the real  property  described  in Exhibit  "A"
attached hereto and incorporated herein for all purposes ("Property"). The Note,
Deed of Trust, and all instruments  executed by Borrower in connection therewith
are herein referred to as the "Loan Documents";

     WHEREAS,  the Borrower and the Lender now desire to amend  certain terms of
the Deed of Trust as hereinbelow provided;

     NOW,  THEREFORE,  for and in  consideration  of the  sum of Ten and  No/100
Dollars  ($10.00)  and other good and  valuable  consideration,  the receipt and
sufficiency of which are hereby  acknowledged,  the parties hereto agree and the
Deed of Trust is hereby modified and amended as follows:

     MODIFY PARAGRAPH 4.11. The following  sentence shall be added at the end of
the last paragraph in Paragraph 4.11:

     "The purchase or ownership of C.O.F.I. indexed Government Agency Securities
     and  their  related  assets  and  liabilities  will be  excluded  from  the
     calculations of the financial  ratios provided in subparagraph  4.11(b) and
     4.11 (c) above."

     Borrower acknowledges and agrees that the modification of the Deed of Trust
shall in no manner impair or affect the validity or  enforceability  of the Note
or the  liens of the Deed of Trust  securing  the Note and that the liens of the
Deed of Trust  securing  the Noted and that the liens of the Deed of Trust shall
not in any manner be waived,  the purpose of this instrument being to modify and
to carry forward all liens securing the Note.  Borrower  acknowledges and agrees
that the liens of the Deed of Trust are valid and subsisting  liens and that all
covenants,  agreements,  terms and provisions of the Noted,  Deed of Trust,  and
Loan  Documents are continued in full force and effect to secure  payment of the
Noted, as modified herein.

     Except as  specifically  modified  hereby,  the terms and conditions of the
Note,  the Deed of  Trust,  and any  other of the Loan  Documents  shall  remain
unchanged and in full force and effect.

     EXECUTED to be effective as of September 30, 1994.

BORROWER:

UNITED SERVICES ADVISORS, INC.,
a Texas corporation
By: /S/ Bobby D. Duncan
Name: Bobby D. Duncan
Title: EVP, CFO & COO

LENDER

BANK ONE, TEXAS, N.A.
By: /S/ Mark Miller
Name: Mark Miller
Title: SVP

State of Texas
County of Bexar

     This instrument was  acknowledged  before me on February 28, 1995, by Bobby
D.  Duncan,  EX  V.P.  COO & CFO of  United  Services  Advisors,  Inc.,  a Texas
corporation on behalf of said corporation.

/S/ Pamela E. Kirchner
Notary Public, State of Texas

State of Texas
County of Bexar

     This instrument was  acknowledged  before me on February 28,  1995, by Mark
Miller,  SVP Commercial  Banking of Bank One,  Texas,  N.A., a national  banking
association, on behalf of said association

/S/ Pamela E. Kirchner
Notary Public, State of Texas

EXHIBITS:

Exhibit "A" - Real Property Description

                                    EXHIBIT A

TRACT I:

                                 2.55 ACRE TRACT

BEING 2.55 ACRES OF LAND LYING IN New City Block  15101 and being the  remaining
portion of Lot 2, Nob Hill Subdivision,  recorded in Volume 6900, Page 37 of the
Plat Records of Bexar  County,  Texas and being more  particularly  described as
follows:

BEGINNING  at an iron rod set,  with cap,  at the most  northeast  corner of the
beforementioned Lot 2, lying in the west right-of-way line of Interstate High 10
(300 foot wide right-of-way) and also being the most east corner of Lot 5, Exxon
Subdivision,  recorded in Volume  7700,  Page 198, of the Plat  Records of Bexar
County, Texas;

THENCE S 14" 11'50" E along the east line of the  beforementioned  Lot 2 and the
west right-of-way line of Interstate Highway 10 for a distance of 370.00 feet to
an iron  rod  set,  with  cap,  in the  north  line of Lot  12,  Lincoln  Center
Subdivision,  recorded  in Volume  9504,  Page 135 of the Plat  Records of Bexar
County, Texas;

THENCE S 75" 48' 10"W  along  the  north  line of the  beforementioned  Lot 12 a
distance  of  299.68  to an iron  rod set,  with  cap,  in the west  line of the
beforementioned Lot 2 and the east line of Lot 9, Nob Hill Subdivision, recorded
in Volume 7900, Page 185 of the Plat Records of Bexar County, Texas;

THENCE N 14" 11'50" W along the west line of the  beforementioned  Lot 2 and the
east  lines  of  the  beforementioned  Lot  9 and  Lots  13  and  14,  Nob  Hill
Subdivision,  Recorded  in Volume  9517,  Page 114 of the Plat  Records of Bexar
County,  Texas a  distance  of  462.73  feet to an iron rod set,  with  cap,  in
southeast right-of-way line of Callaghan Road;

THENCE N 41"  08'00 E along the  beforementioned  Lot 2 and the west line of the
beforementioned Lot 5 a distance of 95.44 feet to an iron rod found in concrete;

THENCE N 75" 48'10E  along the  beforementioned  Lot 2 and the south line of the
beforementioned  Lot 5 for a distance of 295.76  feet to THE PLACE OF  BEGINNING
and containing 2.55 acres of land.

TRACT II:

An Easement  recorded in Volume 7177,  Page 397,  Deed  Records,  Bexar  County,
Texas, over and across the following described property:

A 25 foot  wide  parcel  of land out of Lot 1. New City  Block  15101,  NOB HILL
SUBDIVISION,  City  of San  Antonio,  Texas  County,  Texas,  according  to plat
recorded in Volume 6900,  Page 37, Deed and Plat Records,  Bexar County,  Texas,
and having been vacated and  resubdivided  into Lot 8, New City Block 15101, NOB
HILL SUBDIVISION,  City of San Antonio,  Bexar County, Texas,  according to plat
recorded in Volume 7900, Page 185, Deed and Plat Records,  Bexar County,  Texas,
said 25 foot wide parcel of land being more particularly described as follows:

BEGINNING at a point on the Southeast  right-of-way line of Callaghan Road, said
point  bearing  South  41"08'00"  West,  along  the  Southeast  right-of-way  of
Callaghan Road, a distance of 70.95 feet from the most Northerly  corner of said
Lot 1:

THENCE Southeasterly along the Northeasterly edge of asphalt drive the following
courses:  

     15'30"  East,  a distance of 3.30 feet to the point of curvature of a curve
     to South  50"15'30" East, a distance of 3.30 feet to the point of curvature
     of a curve to the left;  along said  curve to the left,  having a radius of
     149.92 feet, a central  angle of  13"07'01"  and a tangent  length of 17.24
     feet,  an arc  distance of 34.32 feet to the Point of  Tangency;  and South
     63"22'31"  East, a distance of 43.88 feet to a point on the  division  line
     between said Lots 1 and 2, New City Block 15101, NOB HILL SUBDIVISION:

THENCE South 14"11'50" East,  along said division line, a distance of 41.11 feet
to a point of a curve  Northwesterly  to the  left,  at a radial  bearing  North
51"19'26" East;

THENCE  Northwesterly  along the  Southwesterly  edge of said asphalt  drive the
following courses:

     Along said curve to the left having a radius of 61.79 feet, a central angle
     of 25"41'57" and a tangent  length of 14.09 feet, and arc distance of 27.71
     feet to the Point of  Tangency;  North  63"22'31  West, a distance of 43.96
     feet to the point of curvature of a curve to the right; Along said curve to
     the right, having a radius of 174.92 feet, a central angle of 13"07'01" and
     a tangent  length of 20.11 feet, an arc distance of 40.04 feet to the point
     of tangency;  and North  50"15'30" West, a distance of 3.92 feet to a point
     on the Southeast right-of-way line of Callaghan Road;

THENCE North 41"08'00" East, along the Southeast  right-of-way line of Callaghan
Road, a distance of 25.01 feet to the POINT OF BEGINNING.