Fan setup: I have 1 rear 120 exhaust, 1 lower front 120 internal for front to back flow. I have added a blowduct for the top side panel vent, and I've mounted a 120 over the bottom side panel vent, to pull air out and place it directly on the GPU. I wondered if I should reverse the direction and exhaust. I noticed that the exhaust from the fan on the GPU is being thrust to the bottom of the case, then must be rising (naturally) and being exhausted by the rear 120 (hopefully). Putting any cooling on the card in general is helpful, but being that 8800s get quite hot, is air pressure towards the exhausted pressure from the 8800 fan increasing ambient temperature? Ambience seems to be quite a factor. Most noticeably you see it when you simply remove the side panel(S). This also made me question the direction of pressure. If the blowduct at top is helping to remove exhaustion from the CPU fan, then would it be best to do the same for the GPU? I could be creating an air short circuit by falling into some brownian motion with the blowduct and side fan being so close together. I know some people mix it up a bit different, once they've followed the front in, rear out setup. I will take it off and reverse it, but ideas welcome.