Add a field in VMM that shows when a VM was last backed up.
VMWARE does this in vCenter and it's very useful to eyeball when guests were backed up last. It also can aid when backups caused an issue for a machine possibly. It also makes it so my VM guy doesn't need to go talk to my backup guy.
Ben Hummerstone commented
This information must be available somewhere, as it is raised by the Hyper-V BPA