The icy is crap compared to the amp...review below.
http://www.futurelooks.com/gelid-solutions-icy-vision-gpu-cooler-review/3/
and compare that to
http://www.techpowerup.com/reviews/Zotac/GeForce_GTX_480_Amp_Edition/28.html
and this for temps
http://www.*****.net/content/item.php?item=24925&page=9
or this for both
http://www.legitreviews.com/article/1374/7/