So I'm starting university in the Fall and am looking to upgrade from my mid 2009 MBP. I've been torn between these the 13" MBA maxed out or getting at 2.6 Ghz rMBP with 16Gb. I'm majoring in Comp Sci so I'll be using it for programming and the usual school stuff, but I'm also really into gaming. I just don't want to buy a MBA and not be able to play at least some games...I've never used integrated graphics so I'm not too confident in their ability. Any help or input would be greatly appreciated!