Microsoft has released a new version of System Center Virtual Machine Manager 2008 for evaluation. SCVMM 2008 is a piece of software that provides a management solution for virtualized environments. Not only can you manage Hyper-V from SCVMM, but you can also manage other virtual hosts across multiple platforms. This product lets you truly have a centralized management of your virtual IT infrastructure.
Microsoft Download Link
http://www.microsoft.com/downloads/details.aspx?FamilyId=ED012990-6E86-4B43-9842-DA5C02FF1C83&displaylang=en#Overview