Oh I know the exhaust fan.. but that takes up a SLOT. Thats why I didn;t say anything about that. I kow this idea has been out for awhile now. I just wanted the new comers here to know how to keep their PC GFX cool. Thats all. Yes you can do it with higher-cards for EXTREME proformance. But why would you want to do that uneless you really need it. And also, I work for TechWareLabs. Havn;t you seen my News post.