unless he thought the x3100 was a good card.
It's possible. My friend from a while back (he had the Core Duo Rev A MBP changed to Rev C SR MacBook Black. When I asked him why, he said that the graphics was good enough, saying that his current macbook had twice the power.
I didn't catch on at first, asking why he thinks so. Then he went on to say that his old one had x1600. ATi, but x1600. And the new one is Intel, but it's a whopping X3100!!
Me:...