Update: 9to5Mac has done some digging and come up with a few more interesting tidbits about the upcoming MacBook Pro refresh. For one, code pulled from the Mountain Lion beta appears to indicate that the Ivy Bridge machines will boast USB 3.0 and a new GPU in the NVIDIA GeForce GT 650M. The site also claims that the laptops will be slimmer than the current gen, a rumor that's we've been hearing for quite some time now.