This still not explain why you have result like that
This is on Xtremsystem forum, this guy use a GTX470 from MSI and the cooler work fine. Many people got the same result which are dead good.
http://img832.imageshack.us/img832/7530/capture4x.png
Here is another member Using a EVGA 470 ( same used in the review from TT )
http://content.screencast.com/users/...07-22_1550.png
Look at this entire thread.
Gelid Icy Vision - techPowerUp! Forums
But well, it's not usefull to argue here. We should ask someone here with a 470 to order one and see how it does. I would order one but am using a 260. But the blue UV fan would fit my Blue UV watercool for sure:P