Apple Finishing Up Work on an UltraThin 15 Mac Notebook [Updated] Mac Rumors

Apple is working on a 15" ultra-thin Mac notebook, MacRumors has learned. We aren't certain if it will be called a MacBook Air or MacBook...

Source:
http://www.macrumors.com/2011/07/26/apple-finishing-up-work-on-an-ultra-thin-15-notebook/