Hey all, i'm looking to upgrade my GPU in around a month to 6 weeks time and I noticed that a few of the GTX 680's with custom PCB's being released have a voltage control switch on them, which could potentially mean much higher overclocks, such as the KFA2 one that is incoming, my question with this is, as they have custom PCB's it's usually much harder to watercool them, so whats the situation on watercooling a custom GTX 680? do you just have to hope a block is made for that particular PCB design or be creative with some modding? I ask because there doesnt seem to be much reason to watercool a reference 680 as it's not temperature limited, but voltage limited, so are people holding out hoping that the custom GTX 680's that appear are the ones to watercool or what is peoples general consensus on what to do? any help would be greatly appreciated, thank you 
