I've been lurking around reading the threads regarding the GPU and the processor. I bought the base 5k imac and so far I love it. I do have a question I am running and external asus display (1920 X 1080) and every time the computer comes back from sleep mode it flashes a couple of times. It seems like it is trying to adjust something. Is this GPU related? Anyone else experiencing the same issue ? Also, I've been reading regarding the 290x and how it is a laptop gpu (a very good laptop GPU though). My question is eventually I will buy another high quality display, with that being said should I go for the 295x? I mean will I need it? I do want to be future proof. I am learning programming and I do edit pictures here and there. ( I just fell in love with the screen and wanted it) Thanks Guys.