From what I've seen of iceracer on here, the dude knows his S*^%.
I'm sure if he's doing your headwork, I'd go ahead and have him check your ports and do as he pleases with them. Whatever he gives ya, will probably be a good combination that he's used before with good reliabilty. Every part in that top end works together as a system. It's the combination of these things that brings power and reliability.... If that makes sense