Im using a fx6300 gtx 970 16gb ram, should i get a i7 6700k i5 6600k or i5 6700k, money is some what flexable but i perfer cheaper side, i want to get steady 60fps on high on gta 5 and any upcoming games for a few years, mostly need 1080p 60fps high for all games, so what would be the best choice