Link didn't work for me.
Thermalright NB-1 is a nice little heatsink and fan for the chipset.
Also if you care to spend $30 for a nb cooler ( considering your system I don't think It'd be that big of a dent in your wallet ) then you could get a Northpole Microcooler from frozencpu.com or sidewindercomputers.com
I don't notice the fan in my system, but on that one it spins at 8500RPM so if you have a really really quiet system you might notice it.