Data Protection Manager 2010 and System Center Essentials 2010 were both announced as being released to manufacturing today.
DPM is MS’s backup solution and is the one that has the ability to backup a Hyper-V CSV. The catch is that it puts the CSV into redirected IO mode. Thus the preference is to use a storage provider with a supported VSS provider. That allows you to safely backup running VM’s and maintain database consistency when recovered -> VSS runs all the way through the stack. You can even recover single files!
SCE 2010 is the all-in-one package that has the best of ConfigMgr, OpsMgr and now with VMM so you can manage W2008 R2 Hyper-V. This makes it the ideal systems management solution for small-medium companies.