My manager and one of my coworker just started running it last week, and they can't stop singing 7's praises.
He (the manager) is in charge of the company's website, so he's on his laptop all the time. If you ask him about it, he can give you a laundry list of things that he likes better than Vista (or XP) just off the top of his, and he's had it for less than a week.
I plan on upgrading soon myself.