Windows 7 SP1 and Server 2008 R2 SP1 – Betahttp://blogs.technet.com/b/uspartner_ts2team/archive/2010/08/17/windows-7-sp1-and-server-2008-r2-sp1-beta.aspxEvaluate the latest virtualization technologies for your organization. Download the Windows 7 and Windows Server 2008 R2 Service Pack 1 Beta package today to get the SP1 Beta releases for both Windows 7 and Windows Server 2008 R2.   SP1 Beta Overviewen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)