A new blog posting explains when applications should take advantage of Server Core, parallel processing using NUMA, PowerShell 2, Windows Web Services, and more.  Links are also provided on getting Windows Server 2008 R2, getting the updated Windows SDK,  compatibility considerations, and application certification. There are links to code samples, other blog postings, and resources.

 

http://blogs.msdn.com/usisvde/archive/2009/05/08/how-to-get-started-leveraging-windows-server-2008-r2-features.aspx