Im going to buy a PC tomorrow and am looking to build a decent machine thats very quiet. Im getting a case with 2 120mm fans so Im hoping they wont provide much noise. Im also looking at the 6600GT video card. My question is, should I go for the fanless version from Giga-byte or will this cause temperature problems? Especially since I may put 2 cards in there at a later stage (in SLI mode). If I choose one with a fan, how loud will the fan be?