I just purchased from MacMall this maxed-out rMBP. It looks like a great product at a steal. Clearly, it's too good to be true, because upon conducting research on the model # it looks like it's the June 2012 model, not the 2013 refresh model. How much of a difference does this make? I'm going to contact MacMall to see what can be done about it. Should I return it and buy the most recent model, or is the difference negligible? I'm using this machine for a great deal of multitasking, possibly photo and video editing down the line, and some gaming every so often. I imagine this will suit my needs just fine, but if the 2013 refresh is that much better, I might go for it.