if you are like me and you like to try software first before you buy them, then the VMM 2008 R2 VHD is one of the fastest and easiest methods of deploying VMM in your virtualized environment. This VHD contains the evaluation version of VMM.

You can find the VHD and instructions for deploying it here: http://www.microsoft.com/downloads/details.aspx?FamilyID=ff3e3752-8906-41ed-a210-94304f9d5212&displaylang=en