It'd be a boon to my rig since I run my rear fans as intakes and I could utilize the muffler not only to muffle the fan on the PSU but also to direct the air upwards away from my rear fans.
Phenom II 940 Black Edition quad core @ 3.5Ghz
4x2 Gigs Patriot PC2 6400
Cooler Master HAF XB EVO,
Some other stuff,
Even more stuff,
If the automobile had followed the same development cycle as the computer, a Rolls-Royce would today cost $100, get a million miles per gallon, and explode once a year, killing everyone inside. --Robert X. Cringely, InfoWorld magazine