A few months ago someone was asking if there was someway to sync the car stereo with playlist on the PC or something like that. Well, obviously somone had a similar idea. Check out this head unit by Roadmaster:
“Roadmaster VR3 Car Stereo (Model VRCD400SDU). Designed to fit easily in your dashboard, the VR3 Car Stereo is a 3-in-one plug n’ play stereo, featuring an SD card slot, USB port, and Auxiliary Audio Input port for the flexibility to play your entire music collection in your car any way you’d like. The VR3 Car Stereo plays music saved on many different formats, including downloaded MP3 and non-DRM WMA files, iPods, MP3 Players, DVD Players, and CDs, etc. A remote control is also included for easy navigation.”