The thing is though, you could get big card coolers that are 180mm, but there would be no way to secure it to your video card. If you could find out how loud your fan is. The Crystal Orb produces about 28dba, but I've seen many fans that produce more than that. If you'd like to see a review <A HREF="http://www.mikhailtech.com/articles/cooling/crystalorb/" target="_new">Here's</A> a good review.
My firewall tastes like burning.