None of the reviews that ive found yet have any info on real noise...
But for $80 bucks it looks like it might be worth a shot.
"Advanced Control and Configurationâ€“ Configurable options range from whisper quiet operation to extreme cooling for overclockingâ€¦all at the touch of a button. The micro-controller auto-regulates the system in all modes of operation to ensure continuous protection."
http://www.coolitsystems.com/index.php? ... e&Itemid=3
There's also the PURE
"Extremely Quiet CPU Cooling."
http://www.coolitsystems.com/index.php? ... 8&Itemid=5
Edit: Dang looks like the Pure wasn't that quiet, so i doubt the domino would be better