the stock Antec fans are fine, even on low speed there dead silent and push more then enough air.
imo stick with them.
i ran my current setup (in system specs) in summer with the Antec 1200 with all the 120mm fans on low and the large 220mm? fan on medium, both my CPU and Video card are overclocked a fairly large amount.
7 HDD's, 1 overclocked GTX260 and a E7300 @ 3.8GHZ with ambient temps aproching 35 - 40 degrees C.
my cpu never went over 85c, video card never over 80. thats running linpack and furmark not gaming.
My ambient temps is at 35-40 deg C too...I was asking about the fans because I have a GTX 480 SC coming and I'm very worried about the temps in my case. Thanks for the reply.