Most people think adding Wiimotes to custom jobs is cool.  I think adding L4D to anything is cool.  Therefore, this may be doubly cool to some of you.

To everyone else, it will at least be signularly cool:

http://www.engadget.com/2009/01/21/left-4-dead-pc-wiimote-hack-for-the-gamer-who-has-it-all-hates/

Thanks, Timin.

Not as good as the wiimote helmet for tracking body movement, but still, thumbs up.