USB MP3 car-stereo with SD reader

This is a hella clever car-stereo idea: a car-stereo with a USB port and an SD slot. Stick in any USB media or SD card and it will play any MP3s it finds on the media. Also plays MP3 CDs.

Link

(via Red Ferret)

Update: Here's a US vendor, here's a cheaper UK vendor. (Thanks, John and MacZealot!)