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<!-- Creation date: 2011-12-09T20:39:49Z -->
<!-- Copyright (c) 2005-2011 EDGAR Online, Inc. All Rights Reserved. -->
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        <link:definition>101 - Document - Document and Entity Information</link:definition>
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        <link:definition>103 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
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        <link:definition>104 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
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        <link:definition>105 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
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        <link:definition>106 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
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        <link:definition>107 - Disclosure - Background and Basis of Presentation</link:definition>
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        <link:definition>108 - Disclosure - Accounts Receivable</link:definition>
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        <link:definition>109 - Disclosure - Inventories</link:definition>
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        <link:definition>110 - Disclosure - Strategic Investments</link:definition>
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        <link:definition>111 - Disclosure - Long-lived Assets</link:definition>
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        <link:definition>112 - Disclosure - Warranties</link:definition>
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        <link:definition>113 - Disclosure - Debt Obligations</link:definition>
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        <link:definition>114 - Disclosure - Derivative Instruments and Fair Value Measurements</link:definition>
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