wow $3200 budget that's quite alot
firstly, cpu options: i would wait until sandy bridge comes out in a few weeks and see if they're better, second the gigabyte ud9 is a bit better than the asus rampage III
Corsair Dominator you can ditch the fan because it's useless and go down in the range if you want
Another good set of ram would be Kingston Hyper-X sets
you might have to check RAM clearance but the promalitech megahalems is probably the best air cooler out there, run it in push/pull you'll get to 4.2 GHz no problems
i don't want to put up with liquid cooling and i would rather spend the $300 for liquid cooling on buying a graph card that is $200 more and high-end parts. i just spent 200 on a monitor so now i only have 3000 left in my budget for this computer.