I hear daily about the outcry for this, and people I've been talking to claim it's various different things; 1) price - adding a dedicated GPU makes it more expensive 2) battery - it wont run as fast 3) heat - even though the mbp15 can hold it, some people think that the thermals will be too extreme. The 13-inch are their best selling computers, and the right one for most people. If people want GPUs back in, why wont Apples engineers just try to design something? Surely a Kepler 720m or 730m GPU should suffice? And since this is Kepler-extended seasons, shouldnt the mobile GPU prices be down again?