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Well I haven't seen, or heard of that case until now. However I have to give them props for their design. They are doing sort of the same thing I have been doing to my cases for years. I never have understood why they put the two hottest things right next to each other, and at the top of the case (PSU and CPU). (I always relocated PSU to the front bottom of the case, sort of the reverse of what they are doing.)
This case design seems very smart. First off the CPU should recieve excellant cooling, any hot air that doesn't get stucked out by the fans will rise towards the top, away from the CPU cooler.
Having a dedicated fan for the cards is also very nice.
As for windtunnel, the way its designed it should have pretty good airflow, and component location is optimal for cooling.
Haven't seen any reviews, but I like it already!
My Desktop: <A HREF="http://Mr5oh.tripod.com/pc.html" target="_new">http://Mr5oh.tripod.com/pc.html</A>
Overclocking Results: <A HREF="http://Mr5oh.tripod.com/pc2.html" target="_new">http://Mr5oh.tripod.com/pc2.html</A>