If I can piggyback on this thread, I have the Define R4 and a cheaper version of the OP's build (GeForce 660, Rosewill Capstone 450-M Gold, Crucial 8gb, Z87-A, 4670K, 840 non-pro 250gb, 1TB WD Black). I'm in the market for another front intake fan because I need to run the R4's at 80% just to get ne...