im concerned about my NB cooling on the first system in my sig. i plan on overclocking to over 3.4ghz and a friend of mine says that i should worry about cooling my NB at such high fsb's (275+). with luck id like to run mine at 3.6ghz, the stock ic7-g NB fan is 5000rpm and its a big heatsink. is that good enough or do i need to get something better. im building a koolance setup and id just end up throwing on the NB cooler in the loop with the cpu and gpu if thats the case.