I have been a happy owner (over 2 months) of a Serenity Professional system w/MSI R6950 Twin Frozr II video card. There was however, one little thing that bugged me, the video card had a whining noise from 42% fan speed to 51%. It was kinda annoying since the rest of the system is so silent, any component making noise above ambient noise would immediately be noticeable, and in my case, it was the MSI 6950.
After doing some research for aftermarket heatsink/coolers, I found the Arctic Accelero Xtreme II. And yesterday I installed that and what a night and day difference!
1. My GPU temperature used to approach 95C during furmark; now stabilizes at 59C during furmark
2. The whining noises are gone, it is perfectly silent even while gaming... since these fans don't need to spin higher than 48% fan speed to maintain low temperatures.
Anyhow, I would recommend Puget look into Arctic Accelero and possibly qualify it and offer it as an option. It is highly recommended!
Regarding the title: I think I've been playing too much Skyrim :P