Ramblings from another nerd on the grid
Selecting the Right Virtualization Technology - this guide enables you to rapidly and accurately select which Microsoft virtualization technology or technologies to use for specific scenarios. There are several different forms of virtualization that need to be understood as a basis for making the right technology choice. This guide addresses the decision steps that need to be taken in order to select the best virtualization approach for specific application requirements. The most effective decision points in the sequence are presented for determining which virtualization technology should be used. When considering virtualization for multiple applications, you should iterate through the entire process individually for each type of application.
This guide has been updated to include Windows Server 2008 R2.
Go get it @ http://go.microsoft.com/fwlink/?LinkId=160799. See the rest of the Infrastructure and Planning Design Guides at http://technet.microsoft.com/en-us/solutionaccelerators/ee382254.aspx.