1. Free (not mandatory, but preferred)
2. To work in two stages: 1. snapshot registry and filesystem; wait; 2. snapshot registry and filesystem again
3. To be aware of x64 and Windows7 registry and filesystem redirections (mandatory).
I don't like the newer versions of Total Uninstall at all, I think they are focused on other things and became too complex. I haven't tried Revo Uninstaller or similar programs yet, but from their description I conclude this also isn't their focus (two-stage snapshots).
Edited by GrofLuigi, 16 July 2012 - 09:40 AM.