<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1000 <PERIOD-TYPE> YEAR YEAR <FISCAL-YEAR-END> DEC-31-1998 DEC-31-1997 <PERIOD-START> JAN-01-1998 JAN-01-1997 <PERIOD-END> DEC-31-1998 DEC-31-1997 <CASH> 72,511 33,031 <SECURITIES> 34,344 0 <RECEIVABLES> 47,446 11,386 <ALLOWANCES> 5,167 721 <INVENTORY> 7,325 2,712 <CURRENT-ASSETS> 172,644 48,601 <PP&E> 43,811 15,431 <DEPRECIATION> 12,211 5,321 <TOTAL-ASSETS> 260,581 60,890 <CURRENT-LIABILITIES> 40,978 12,867 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 28,617 <COMMON> 20 14 <OTHER-SE> 215,483 16,379 <TOTAL-LIABILITY-AND-EQUITY> 260,581 60,890 <SALES> 216,456 42,341 <TOTAL-REVENUES> 216,456 42,341 <CGS> 91,403 15,563 <TOTAL-COSTS> 91,403 15,563 <OTHER-EXPENSES> 83,078 32,955 <LOSS-PROVISION> 951 0 <INTEREST-EXPENSE> (4,154) (91) <INCOME-PRETAX> 45,178 (6,086) <INCOME-TAX> 20,586 (157) <INCOME-CONTINUING> 24,592 (5,929) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 24,592 (5,929) <EPS-BASIC> 0.15 (0.05) <EPS-DILUTED> 0.12 (0.05)