Here's a fun one; someone's built his own MP3 car player and now, at $15 you can buy the plans. The info on his site are a bit skimpy (have a look):

http://www.kokopelli-online.com/mp3/Mp3page1.htm

Anyone familiar with the plans? I won't bother though, got my mind set on the MKII which I'm eagerly awaiting; just out of curiosity.

Cas