I am using Vista Ultimate and it is okay. Not great, not bad, just okay ( running it on a machine that is plenty able to handle it :-\ ). It all depends on how powerful of a machine you have.
"The clue train passed his station without stopping." - John Simmons / outlaw programmer "Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon "Not only do you continue to babble nonsense, you can't even correctly remember the nonsense you babbled just minutes ago." - Rob Graham