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                                                                  EXHIBIT (a)(6)

 Interactive Systems, Inc. Mails Tender Offer for CSI Computer Specialists, Inc.

                 Common Stock for $1.00 Per Share in Cash

         Arlington,  Virginia  and  Gaithersburg,  Maryland,  April 26,  2000 --
Interactive  Systems,  Inc. ("ISI") and CSI Computer  Specialists,  Inc. (OTCBB:
CSIS) today announced that ISI has mailed an Offer to Purchase all of the issued
and  outstanding  shares of Common Stock (the  "Common  Shares") of CSI Computer
Specialists,  Inc. not already owned by Donald C. Weymer,  ISI's founder,  Chief
Executive Officer, President, a Director and majority shareholder, at a purchase
price of $1.00 per share in cash.  ISI's Offer is subject to  customary  closing
conditions.  The Offer is open for acceptance until 5:00 p.m.,  Eastern Time, on
May 23, 2000, unless extended or withdrawn.

         The $1.00 per Common Share cash  consideration  offered  represents  an
approximately  39% premium to the closing  price of $0.72 per share on April 24,
2000, the last trading day before this  announcement.  The Board of Directors of
CSI Computer  Specialists,  Inc. has determined,  based on the Company's current
financial condition, its inability to obtain financing for its operations, which
could  result in the Company  filing for  bankruptcy,  recent bid prices for the
Common Shares on the OTC Bulletin  Board and the  Company's  current book value,
that  the  tender  offer  is in  the  best  interests  of  the  Company  and  it
shareholders,   and  has  voted  to  recommend  to  the  Company's  stockholders
acceptance  of the Offer.  CSI Computer  Specialists,  Inc.'s Board of Directors
recommends that stockholders tender their Common Shares in the Offer.

         CSI  Computer  Specialists,  Inc.  is a  provider  of a full  range  of
computer  hardware  services,  including  sales and maintenance of mainframe and
mid-range  computer  equipment  and  parts,  network  design  and  installation,
computer  upgrades,  and  installation  and  de-installation  of equipment.  The
Company  provides its  services to  commercial  customers,  agencies of federal,
state and local governments,  and universities,  hospitals,  and associations in
the Mid-Atlantic region of the United States, including West Virginia, Virginia,
Maryland,  the  District  of  Columbia,  New  Jersey,  New  York,   Connecticut,
Pennsylvania, and in Illinois and California.

         ISI is a national  provider  of  enterprise  infrastructure  management
services.  ISI provides information technology  outsourcing,  enterprise systems
management   and   not-for-profit   solutions  to  commercial   and   non-profit
organizations.