Chad over at TweakTown gave a pair of DD-GTX470 blocks a run on his EVGA GTX-470 cards.  He was thrilled with the performance and of course the quiet operation of the cards with the Danger Den blocks!  A little snippet:

With a bit of time and patience you too can get these sorts of results. While water cooling isn’t for everyone, whether due to the lack of funds or desire, the temperatures I received for my time, effort and struggle are more than worth it over any excuse I can come up with. I spent more time removing one of the original heatsinks than it took me to prep and install both blocks twice, as I had to verify contact and spread of the TIM on both. In my situation, as my PC sits on a table about three foot from my ear, this was not only a win in the temperature column, but a huge plus in the fact that my ears no longer bleed during intensive gaming sessions.

Allows one (1) 5 1/4" Drive Bay, 4 Hard Drives and a 3x120mm Radiator, and x 2x80mm radiator!!

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Have an enjoyable 4th of July and please be safe with those fireworks!

We will be open tomorrow the 5th to help you with all your cooling needs...

It's now time to tame the beast of a video card the HD-6990.  The Danger Den full coverage block keeps the temps in check and at a MUCH quieter level.  Check out the...

The good folks over at Legit Reviews took the Danger Den DD-GTX480 for a test run. It's amaing what a little water does for these cards! If you want increased FPS this is the way to go!!