Who says 2 480 are overkill? Here's mine, a total of 5 480 rads, triple loop (gpu 2x480, cpu 2x480 and motherboard 1x480 - the chrome one), Noctua fans all at 900 rpm, 7 pumps (cpu loop has 3 for extra pressure, gpu and motherboard 2 pumps each).
Case is basically 2 Lian Li V2000b bolted...