Windows 7 and Windows Server 2008 R2 are in manufacturing
Microsoft has released Windows 7 and Windows Server 2008 R2 to manufacturing, in the final phase of its run-up to launching the latest versions of its desktop and server operating systems.
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http://windowsteamblog.com/
http://www.microsoft.com/windows/default.aspx
http://www.microsoft.com/windowsserver2008/en/us/R2.aspx