i see what you mean, i was just concerned with the dust over here, they're making a 4lane highway, in the morning there is this thin dust film on my windshield...but anyhow my dual quad for the cpu is just great. i think the nidec motors on them have enough oomph for the filters. yeah take a vacation. i think skinnee and vapor and hesmelaugh have the medicine for everybodies addiction

to keep you interested, dunno if you've read this but...read it just the same

http://www.comairrotron.com/cooling_fan_noise.shtml