An Idea

After getting my car a year ago I've been looking at some aftermarket car decks but pretty much everything that I was interested in cost at least $400 which didn't make sence to me since it only played one CD. I started thinking about all the extra computer parts I had around and an idea was born. After dinking around with Google I found MP3Car.com and the planning began.
Here's the dash that I'm dealing with: