EXHIBIT (a) (8)

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

                    Common Stock for $1.00 Per Share in Cash

         Arlington,  Virginia  and  Gaithersburg,   Maryland,  May  9,  2000  --
Interactive  Systems,  Inc. ("ISI") and CSI Computer  Specialists,  Inc. (OTCBB:
CSIS) today  announced  that, in connection with its tender offer for all of the
issued and  outstanding  shares of Common  Stock (the  "Common  Shares")  of CSI
Computer Specialists, Inc. at $1.00 per share, ISI has extended its tender offer
for all of the Common  Shares.  The tender  offer,  scheduled  to expire at 5:00
p.m.,  Eastern  Time,  on May 23, 2000, is now scheduled to expire at 5:00 p.m.,
Eastern Time, on Wednesday, May 24, 2000, unless further extended.

         As of the close of business on May 8, 2000,  Continental Stock Transfer
& Trust Company, the Depositary for the tender offer, reported that 2,000 Common
Shares have been tendered and not withdrawn.

         ISI confirms its  intention to acquire the Common  Shares in accordance
with the terms of the tender offer.