Perhaps not. I wouldn't actually put it IN a studio booth, for instance.
Don't worry, you should be able to get some good deals on the PowerMacs and Cubes now the new iMac is out. Or cut the shell off, rip out the fan and stick in a massive heat-sink - then watch Apple's design studios guys cringe.
PS I think cutting the thing open and welding in a heat sink MIGHT, PERHAPS void the warranty, he he he ...