So what is the recommended fan setup for computers now. Last PC I had I was running 1 120 exhaust against 3 120 inlet. New case has 1 200 inlet and a 140 exhaust. Thinking of picking up 2 140s for the top of the case. But not sure if I want them both to be blowing in (I was of the belief you want positive pressure), since 1 in/out is still positive due to the sizing.