With the upcoming Beta release of 70-669: TS Server 2008 R2, Desktop Virtualization we will be adding several new resources to the site to aid with studying for this exam.  The first of these is MED-V Installation and Configuration guide which has been added to the article section of the site.  Keep checking back for more resources alternatively you can search for resources relating any exam by entering the exam code into the site search bar on the main page.