I didn't upgrade to Vista for numerous reasons. I had some hope for the new Windows and I wanted something like HappySqurriel said. -_-'
Well I can't say it'll suck we haven't seen much of it yet and frankly, until I have my hands on it, I'll have a neutral look on it.
Oh and btw, I preferred its code name, Vienna, though Windows 7 sounds simple and easy to remember.