whats a good rpm to have fan settings at im using istat menus so i can manually adjust the fans...i want to know if any of you guys have a good rpm to have booster,exhaust,expansion,intake,power supply set at for a long handbrake sessions. i have the 2.8 quad at the moment. at medium preset settings the mac pro sounds like a jet engine and at default they never speed up and the cpu gets hottt!! any suggestion will help allot