The Guru of 3D posted Sparkle GeForce 8800GT Cool-Pipe3 512MB review
Sparkle recently released a GeForce 8800 GT that actually is passively cooled. Because the reference cooled 8800 GT already runs insanely hot to 90 degrees C, doing the cooling part passive .. would definitely make things even worse. Combine that with the rumored GPU core temperatures of 110 Degrees C I pretty much stereotyped the product even before we had tested it.Sparkle GeForce 8800GT Cool-Pipe3 512MB Review
Now given the wrong conditions passive cooling on a 8800 GT will give insane temperatures ... you can fry an egg on the card. Given the right conditions .. it's really just fine. Read all about it in the full article