http://www.a1-electronics.net/Heatsi...35_April.shtml
Great HSF, fan controller, not bad price. I've been wanting one for a while but haven't had the funds.
http://www.newgenerationorder.org/C2NGO.zip
THIS ^ works with almost ALL NF2 based mobos. it will lower your IDLE temperature 1-15C (depends on your setup). It lowered mine from ~40C to ~30C. Very awesome...give it a try.