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Exhibit 12.1

Statement RE: Ratio of Earnings to Fixed Charges
(in thousands, except for ratios)

	Year Ended December 31,															Nine Months Ended September 30,
	2002			2001			2000			1999			1998			2003			2002
RATIO OF EARNINGS TO FIXED CHARGES
Loss before income taxes and cumulative effect of accounting change	$	(107,468	)	$	(250,008	)	$	(97,403	)	$	(38,448	)	$	(18,356	)	$	(50,194	)	$	(76,394	)
Add: Fixed charges		18,293			16,297			13,726			2,470			662			14,762			13,624
Less: Capitalized interest		—			(1,230	)		—			—			(203	)		—			—
Earnings	$	(89,175	)	$	(234,941	)	$	(83,677	)	$	(35,978	)	$	(17,897	)		(35,432	)	$	(62,770	)
Interest expense	$	16,613		$	13,431		$	12,138		$	2,075		$	270		$	13,083		$	12,424
Amortization of debt issuance costs		1,268			1,366			1,254			131			—			1,421			951
Capitalized interest		—			1,230			—			—			203			—			—
Estimated interest portion of rental expense		412			270			334			264			189			258			249
Fixed charges	$	18,293		$	16,297		$	13,726		$	2,470		$	662		$	14,762		$	13,624
Deficiency of earnings available to cover fixed charges	$	(107,468	)	$	(251,238	)	$	(97,403	)	$	(38,448	)	$	(18,559	)	$	(50,194	)	$	(76,394	)
Ratio of Earnings to Fixed Charges		N/A			N/A			N/A			N/A			N/A			N/A			N/A

        For the purpose of calculating the ratio of earnings to fixed charges, earnings are defined as consolidated income (loss) from continuing operations before income taxes plus fixed charges. Fixed charges are the sum of interest of all indebtedness, estimated interest within rental expense and amortization of debt issuance costs.

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Exhibit 12.1

Statement RE: Ratio of Earnings to Fixed Charges (in thousands, except for ratios)