Next 15-inch MacBook said to have USB 3.0 and Retina display
 

Now that quad-core Ivy Bridge processors are out and dual-core variants are on the way, Apple is surely on the verge of introducing next-gen Macs. It's no surprise, then, to see the rumor mill abuzz with fresh details. One of the latest reports, by the folks at 9to5Mac, claims Apple is prepping an ultra-slim 15" MacBook Pro with USB 3.0 support and a Retina display.

http://techreport.com/discussions.x/22936