I've been using it for a few weeks now in Vista64 SP1. Works great. Esp. for me because sometimes I launch a 32 bit shell to use 32 bit shell extensions that wouldn't ordinarily be visible in Vista64. Often files and folders deleted in 32 bit shell or File Manager programs don't propagate to the 64 bit shell. You click on a folder that seems to be there but get access denied.
LockHunter gets rid of that. As soon as you unlock the phantom folder, it disappears. Saves a log off in those cases.
edit: so far my only suggestion would be to put some kind of version info someplace. afaics the only way to get a version number is to look in the Programs and Features removal list. No About box, no nuthin'.
edit2: also no version info as resource in .exe file.. so it can leave you wondering.