VIN and Data Plate Decoder

I'll admit up front that I'm a huge fan of not reinventing the wheel, so instead of trying to develop my own Mustang VIN and data plate decoder I prefer to point you to the best that I've found on the web. Here's one for Mustangs:

Mustang Secret Decoder

If you're a Cougar fan, you should try the decoder provided by the Cougar Club of America. The decoder form also allows you to register your Cougar in their registry database if you wish.