My budget is 1600-1700$. I want a Mac which will be updated for the next 3-4 years. I'll be playing a few games(GTA, Assassins..) and will be using it for browsing, watching movies. What do you guys suggest? I have to choose between 13 inch retina MBP (1700$) and 15 inch non-retina MBP (1900$). Retina comes with only 128GB of flash memory. Though i have 2TB of external Hard Disk, will 128GB be enough? Will Intel HD 4000 play the basic games?