[ux_designer]

He didn't point this out, but the 13" macbook air and the 15" macbook pro have the same screen resolution. The air has a much higher dpi screen.

[archangel_one]

The 15" Pro has an option for a higher res screen at least; I'm typing this on one with a 1680x1050 screen. I guess you have to pay more for it; one more place where they could potentially simplify the options with a bit less price segmentation.