Hey, I've been looking at these things, I want one...two actually, and of course I would be hooking this up to some sort of fan controller. Just wondering, these suckers are loud, how bad are they at lower levels? Are they bearable at high speeds? I've been reading some reviews and I've been seeing comparisons to large, passenger aircraft. Is this really true or just exaggerated? I want them... even though one would probably be more than enough.