Wellll, watercooling would probably double the investment that you have to ROI, then what cools the water? Yah, that hot air that was the problem in the first place.
Well it is not a H2O what you use to make watercooling, and I know watercooling is veeery good option even when is jam hot.
CoolStream
will help you keep your watelcooling cool
And many other parts of it will do the job in a same time.
This for example: looks lovely :0