<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF OPERATIONS FOUND ON
PAGES 3 AND 4 OF THE COMPANY'S 10Q FOR THE PERIOD ENDED SEPTEMBER 30, 1999 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                          70,793
<SECURITIES>                                   236,602
<RECEIVABLES>                                   46,663<F2>
<ALLOWANCES>                                         0
<INVENTORY>                                     20,077
<CURRENT-ASSETS>                               387,678
<PP&E>                                          49,216<F1>
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 449,192
<CURRENT-LIABILITIES>                           56,841
<BONDS>                                         85,443
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            44
<OTHER-SE>                                     299,799
<TOTAL-LIABILITY-AND-EQUITY>                   449,192
<SALES>                                        100,628
<TOTAL-REVENUES>                               120,203
<CGS>                                           21,745
<TOTAL-COSTS>                                  180,336
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,939
<INCOME-PRETAX>                               (52,535)
<INCOME-TAX>                                       726
<INCOME-CONTINUING>                           (57,532)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (57,532)
<EPS-BASIC>                                     (1.36)
<EPS-DILUTED>                                   (1.36)
<FN>
<F1>PP&E IS NET OF ACCUMULATED DEPRECIATION
<F2>RECEIVABLES IS NET OF AN ALLOWANCE FOR DOUBTFUL ACCOUNTS
</FN>