1
                                                                    EXHIBIT 23.3

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the use in this Registration Statement on Form S-1 of our
report dated February 8, 1999, except as to Note 11, for which the date is
March 31, 1999, relating to the financial statements of Acuity Corp.,
which appear in such Registration Statement. We also consent to the reference
to us under the heading "Experts" in such Registration Statement.

PricewaterhouseCoopers LLP

Austin, Texas
September 23, 1999