My idea for my water pump setup is rad#1 -> pump -> cpu -> rad#2 -> dual gpu -> and then back to rad#1 . Radiator #1 would be a Black Ice Xtreme II and my Radiator #2 is a Black Ice Xtreme #1. I was wondering what pump would be strong enough to pump through the complete loop, as well I was also wondering if there would be better radiators to use. I plan on either using the Danger Den Dual Geforce 6800 or the AC solution. All comments and advice are appreciated.