New MacBook Pro expected to ship this summer.
Apple is close to finish the development of the new ultra-thin MacBook Pro line. According to a source of 9to5Mac, Apple is doing test production runs right now and the new redesigned 15-inch MacBook Pro is supposed to ship this summer.
The design of the new MacBook Pro is supposed to have its own identity and not copy the MacBook Air. Basically its a thin version of the current MacBook Pro design. Besides a hi-res Retina display the new MacBook Pro comes with USB 3.0.