http://www.overclockers.co.uk/showproduct.php?prodid=FG-007-NC&groupid=701&catid=57&subcat=4
if you want quiet, the stock fans are ear bleeders after a while as the pitch they operate at appears to be the pitch best suited for aural torture
I have the H50 and people who say these self enclosed H20 solutions are crap are right. Hindsight tells me now I should have forked out for a decent 240mm rad, pump, res and kit rather than going for the simplicity of the one piece unit.
The only thing thee units really offer is ease of use. Despite what people might say they are relatively easy to install, just make sure you watch the corsair video first as following the OTB instructions is about as helpful as getting driving lessons from stevie wonder