Windows Server 2008 R2 Advanced Series is an on-demand series about advanced features of R2. Topics will include Building a Seamless Enterprise, Virtualization Enhancements, Remote Desktop & Remote Apps, Managing with Server 2008 R2 and Web Server Improvements, revealed. Here’s a quick list of ;R2 advanced training content:

Windows Server 2008 R2: Building a Seamless Enterprise. This course will focus on the release of Windows 7 and how it has been coded to work succinctly with features of Server 2008 to create a dynamic and reactive enterprise that can take advantage of the Branch Cache and Direct Access features available.

Full Guide: MSDN