The beta 5 version of VMWare adds some interesting features, especially where you create multiple snapshots by allowing the user to take an unlimited number of point-in-time, saved-to-disk snapshots of running virtual machines. This makes it easier to capture and switch between multiple configurations and accelerates testing and debugging. The Snapshot Manager displays thumbnails of all the snapshots on a single screen and makes it easy for users to track all their snapshots and revert to a previously saved snapshot. Also, when reverting to a previously saved snapshot, a new branch is automatically created so other snapshots continue to be available. You can check out the screenshots here and download the beta.