Just repost from noob section
https://lh3.googleusercontent.com/-YYAdXmCTd-4/TfzVJq0kcQI/AAAAAAAABGE/uGkZz4t9sys/2.jpg
https://lh4.googleusercontent.com/-DqrZBrnmdas/TfzVJ2scTuI/AAAAAAAABGI/icrc0TpkEBI/1.jpg
But for now I've got only 3 5870 OC'ed up to 950MHz.

https://lh6.googleusercontent.com/-YdF3vYks2Wg/TgDLm6fuRmI/AAAAAAAABGk/XNli-cwg5mY/6.jpg
Set of 2 120mm fans is UNDER the videocards, so tepereature is about 58-60C