Sounds nice...am a bit frustrated with the nice cooling solutions only being available as part of a new card and not available separately. If this cooler was for sale, I'd get it...guess I'll settle for the AC TwinTurbo cooler. :)
Yate Loon makes good stuff..btw, I assume '20mm' was a type-o?
Also keep in mind that the main selling point/feature of these fans (even tho they are very quiet w/ the fluid bearing technology) is their ability to run up to 5 fans using PWM to control fan speeds (thus the noise level) by...
I've been using Arctic Cooling for years to cool my graphics cards...they make some VERY quiet fans (couldn't give a crap how they measure it). Their fans are DFBs (Sony's dynamic fluid bearing)..the quietest bearing tech on the market and the longest lasting too (imo). ALL of their graphics...