Lik-Sang got their hands on some very sweet looking (and warranty voiding) Xbox 360 faceplates. The faceplates require you taking apart your controller and replacing the front piece, but it sounds like it's a fairly straightforward procedure. The company has only released seven colors so far and none of them have interesting designs or pictures on them. There is, at least, a chromed out controller which looks pretty slick. And the things are only about $17, that's pretty cheap.

Custom 360 Controller Faceplates [Lik-Sang]