Below is a link to information about the current version of Virtualization Manager. It describes the new features as well as its new integration with Storage Manger 5.1. Here is a link to the Release Notes.
--The Support page on thwack provides a few more documents and video tutorials that can be accessed here.
--Here is a link to an updated "Virtualization Manager–What We’re Working On" for VirtMan
Here is a beginning list of frequently asked questions for Virtualization Manager: