This may be a bit boring for most but it’s a worthy read for you to understand Windows Vista’s DRM (Digital Rights Management) and how it affects your PC. From what i read, none of it is good. I wouldn’t classify this as FUD either this guy knows his stuff. It’s written by Peter Gutmann a well respected member of the computer security community.

http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.html