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No seriously though, I really do appreciate all your help so far, very helpful.
What would you change? I actually had to bump the memory a little over my previous configuration because the one I had chosen on AVA (which it actually let me choose and didn't warn me about a conflict), was for Z77 chipset. This was like one of the only options that allowed me to get 32GB of 2400MHz, so that knocked it up another $50. All ears though if you can find a way to get it down another few hundred.
BTW, how hard is it going to be to actually run with 4 chips at 2400MHz each? Based on the above config, should it just work out of the box with no stability issues if I go into the bios and set it at 2400?