Are you an expert in desktop virtualization? Well, you are in luck, since the beta has been opened to be able to certify you under Windows Server 2008 R2.

71-669 TS: Windows ® Server 2008 R2, Desktop Virtualization 
http://www.microsoft.com/learning/en/us/exam.aspx?ID=70-669

     Access to this exam is limited, since it is BETA, and will serve to improve the experience for future certificates.  To do this you have to use your “MSL SME” in Connect (http://connect.microsoft.com/site862  ), create your “SME profile”, or update it to be sure that one of your interests is Virtualization. Next March 1st at 9 a.m. on the east coast of the United States, you will be able to register and participate in this exam.