I have a top of the line 2012 MBA and it is faster than any of my peers 2011 MBP's....granted, I maxed out the memory and the storage when ordering.....But I love it, and it works just great for everything I need -- productivity apps, photoshop, music, movies, etc...I saw the retina screen at the Apple store for the MBA and frankly my 50-year old eyes see ABSOLUTELY no difference between the regular MBP and the retina display screen -- I don't see it on my iPad3 either, looks the same as my old iPad2...younger eyes will no doubt see a difference....but as to the retina display in the MBA, I don't think its going to happen -- it would make the MBA twice as heavy as it currently is, and the entire idea behind it is the complete portability it affords....