In case you haven’t heard yet Windows 7 and Server 2008 R2 have recently gone RTM i.e. they’re finished. See http://windowsteamblog.com/blogs/windows7/archive/2009/07/22/windows-7-has-been-released-to-manufacturing.aspx and http://blogs.technet.com/windowsserver/archive/2009/07/22/windows-server-2008-r2-rtm.aspx respectively.