What the best system you've seen for either manually turning off fans and/or having them on a thermostat.

My addtronics case has 5 case fans, slot fan, and 2 YS tech fans on my alpha.

The hum of these fans is driving me nuts!

Classic Athy [email protected] 1.75V
Cooling via alpha p7125
Freespeed Pro GFD
Asus K7V MoBo
Asus v7700 VC
256 mb Micron PC133
20.5G WD HD ultra/66
Addtronics 6890A case
HP 9300 CD R/RW
Creative DVD Dxr3 w/ Decoder card
Cambridge Soundworks FPS2000