Windows Server 2008 R2 Beta
So the Server side of Windows 7 (there will be no Windows 7 Server, it's called 2008 R2, see my blog below on Windows 7 clarity) has been released in beta to public, link to the public stuff below (MSDN also has downloads)
Client side (Windows 7) here as well
Windows Server 2008 R2 Beta
Microsoft Windows Server 2008 R2 will be the next version of the Windows Server operating system from Microsoft. Building on the features and capabilities of the current Windows Server 2008 release version, Windows Server 2008 R2 allows you to create organization solutions that are easier to plan, deploy, and manage than previous versions of Windows Server.
Developing upon the increased security, reliability, and performance provided by Windows Server 2008, Windows Server 2008 R2 extends connectivity and control to local and remote resources. This means your organizations can benefit from reduced costs and increased efficiencies gained through enhanced management and control over resources across the enterprise.
Evaluate Windows Server 2008 R2 Beta (available in English, German, and Japanese) by downloadable ISO format. Editions for evaluation include Datacenter, Enterprise, Standard, Itanium Based Systems, and Web. VHD and other download formats will be available shortly
http://www.microsoft.com/windowsserver2008/en/us/R2-Beta.aspx
