Originally Posted by MRCL
Should cost? Depends. Depends heavily. What do you want to cool (just CPU, or every chip there is), how much space do you have, and how much are you willing to spend. For comparison, My water setup consisting of a triple rad, a single rad, two GPU blocks, a CPU block, res, pump, and all the little things needed was well over 700$ (note that water cooling gear in Switzerland and hardware in general is more expensive than in the US or anywhere else). Quality has its price, so you have to calculate enough budget to spend.
Well. I want to cool my CPU and GTX 280.
I don't think I'd need to cool other components