<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS INCLUDED IN THE COMPANY'S FORM 10-K FOR THE FISCAL YEAR
ENDED DECEMBER 31, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                                       <C>               <C>              <C>               <C>
<PERIOD-TYPE>                                   3-MOS             3-MOS            3-MOS              YEAR
<FISCAL-YEAR-END>                         DEC-31-1996       DEC-31-1996      DEC-31-1996       DEC-31-1996
<PERIOD-START>                            JAN-01-1996       APR-01-1996      JUL-01-1996       JAN-01-1996
<PERIOD-END>                              MAR-31-1996       JUN-30-1996      SEP-30-1996       DEC-31-1996
<CASH>                                         15,095            13,886           12,138            50,825
<SECURITIES>                                        0                 0                0                 0
<RECEIVABLES>                                  29,140            32,190           34,382            41,954
<ALLOWANCES>                                      746             1,092            1,236             1,527
<INVENTORY>                                         0                 0                0                 0
<CURRENT-ASSETS>                               49,506            51,490           52,177           101,148
<PP&E>                                         10,785            11,735           12,941            14,388
<DEPRECIATION>                                  5,676             6,074            6,374             7,318
<TOTAL-ASSETS>                                 65,970            68,833           71,043           121,202
<CURRENT-LIABILITIES>                          28,989            30,347           32,879            34,448
<BONDS>                                         2,167             1,813            1,773             1,864
<PREFERRED-MANDATORY>                               0                 0                0                 0
<PREFERRED>                                         0                 0                0                 0
<COMMON>                                       32,792            33,132           33,704            78,703
<OTHER-SE>                                        115             1,655              823             3,386
<TOTAL-LIABILITY-AND-EQUITY>                   65,970            68,833           71,044           121,202
<SALES>                                        14,590            17,417           15,492            68,612
<TOTAL-REVENUES>                               25,981            29,089           27,676           116,939
<CGS>                                           3,927             4,364            3,680            16,550
<TOTAL-COSTS>                                  12,133            13,115           12,495            52,182
<OTHER-EXPENSES>                               11,345            12,853           17,100 <F1>       56,865 <F1>
<LOSS-PROVISION>                                    0                 0                0                 0
<INTEREST-EXPENSE>                                 70                68               66               250
<INCOME-PRETAX>                                 2,601             3,189          (1,897)             8,139
<INCOME-TAX>                                    1,224             1,507            (887)             3,642
<INCOME-CONTINUING>                             1,377             1,682          (1,010)             4,497
<DISCONTINUED>                                      0                 0                0                 0
<EXTRAORDINARY>                                     0                 0                0                 0
<CHANGES>                                           0                 0                0                 0
<NET-INCOME>                                    1,377             1,682          (1,010)             4,497
<EPS-PRIMARY>                                    0.12              0.15           (0.09)              0.39
<EPS-DILUTED>                                    0.12              0.14           (0.09)              0.38
<FN>
<F1> INCLUDES ONE-TIME CHARGES OF $3.7 MILLION IN CONNECTION WITH THE DCD
ACQUISITION.
</FN>







</TABLE>