iFixit teardown experts turned their attention to Apple’s latest version of the 15-inch Unibody MacBook Pro. The Early 2011 edition looks a lot like its predecessors, with two new features on the logic board. It’s the first Apple portable with a quad-core processor, Intel’s 2.0 or 2.2 GHz Core i7, and it includes the shiny-new Thunderbolt I/O connection. Thunderbolt allows you to transfer a full-length HD movie in less than 30 seconds.”]