Welcome to another skin change boys!
OK, "So here at microsoft we pride ourselves at ripping off our costumers by putting some new crappy, worthless $0.50 skin on our Windows System, ohh and we add some annoying security alerts and some messed up virus protection that requires validation or some crap along the way..."
This blog entry kinda says it all about Vista tbh,
http://blogs.sun.com/ChrisM/date/20060829
Anyway, I guess if you like playing with Windows let it be, but if you want a real OS get a Unix based one, Mac is pretty good, but remember Linux exist too!