How much of a jump is there in power requirements from a 7950GT to one of the above mentioned 8800GTs? My video card fried itself quite dramatically and I always try to replace with stuff that's fairly close to the top. However I really don't want to go and hunt down a new power supply as well, I simply don't have access to that much money. I currently have a TT toughpower 660W which was, at the time, generally seen as being well above the minimum requirements for my system (E6600, P5B Deluxe, 7950GT, 1 HDD, nothing fancy at all).
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