Build your own. Thats the best way to go when W/C.
CPU waterblock: http://www.petrastechshop.com/swapgtzcpuwa.html
Radiator: http://www.petrastechshop.com/swmcqposerab1.html
Res: http://www.petrastechshop.com/swmcmirere.html
pump: http://www.petrastechshop.com/lad5smcin12v.html
Tubing: http://www.petrastechshop.com/1id3odmagepu.html
CPU waterblock: http://www.petrastechshop.com/swapgtzcpuwa.html
Radiator: http://www.petrastechshop.com/swmcqposerab1.html
Res: http://www.petrastechshop.com/swmcmirere.html
pump: http://www.petrastechshop.com/lad5smcin12v.html
Tubing: http://www.petrastechshop.com/1id3odmagepu.html