I just saw this very customizable/built to order case on http://www.frozencpu.com:

http://www.frozencpu.com/products/5273/c...e_-_21_dBA.html

11 SilenX fans and only 21dba overall!  Very quiet.

It would be nice to throw one of my MDD's in one of these cases as they are very hot running machines.

Not sure if I would ever spend that much on a case and fans but its damn pimpin' for sure.   
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Mac mini C2D 1.83GHz - 2GB RAM - 200GB 7200rpm HD
Sawtooth w/G4 1GHz - 1GB RAM - SIIG SATA w/2x1TB HD
B&W w/G4 600MHz - 1GB RAM - 2x80GB HD
Sawtooth G4 400MHz - 512MB RAM - 40GB HD
Dell Ultrasharp 2007WFP 20" Widescreen LCD
2.94TB Total Storage