Hyper-V Program Manager
System Center Virtual Machine Manager 2007 has been released to manufacturing. Key features of SCVMM include:
You can read more here: http://www.microsoft.com/systemcenter/scvmm/default.mspx
And download a trial VHD from here: http://technet.microsoft.com/en-us/scvmm/bb679927.aspx
SCVMM 2007 may be purchased as a component of the Microsoft System Center Server Management Suite Enterprise starting in October, 2007. There is no separate Server license for the management server software, which will be included as part of the Virtual Machine Manager component in the Server Management Suite Enterprise. Also SCVMM 2007 Workgroup Edition will be available in January 2008. This is a standalone version that will manage unlimited number of VMs on up to five Virtual Server hosts at a price of $499 per license.