I've asked myself for quite some time: Why is the 17 inch MBP more expensive than the 15 inch I've been searching in the forum/internet etc but found no real answer. When I think for myself the 15 inch should be more expensive since they put the same maximum specs in a smaller space. Making the design of the 15 inch more difficult. The only more expensive part in the 17 inch is its display and the extra costs for alumium etc because of its bigger size. (I guess that 1 extra usb-port doesn't take an extra $50 or so) The difference between 13 and 15 inch is somewhat logical, far better processors and graphics. Does anybody have a clear answer? Something in my head says that I'm overlooking something simple but fundamental.