I'll try to update this thread as I use the software more and more to let you know what I think. Anyone tried this out yet? In Windows thus far, it seems a Right Click takes you back to the previous screen and also closes apps. Kinda weird at first. Scanned my entire media library very easily.
Here is a brief quote from Boxee.tv
Boxee is the best way to enjoy entertainment from the Internet and computer on your TV. Now available as a free download for Windows, Mac OS X, AppleTV and Ubuntu Linux.