I've been running it on my netbook, laptop, and wifes laptop. Loving it all across the board.
It made my netbook quicker then when it was running XP.
I guess I'll need to buy some copies when the release candidates start quitting.
I've had no issues with vista either, as long as the nag screens are turned off. They drove me crazy when I first got it. After service pack 1 it got a lot quicker also.