"Just to add to the mix, you could also consider an RF transmitter style of device, which broadcasts an FM signal picked up by the head unit." "On my last car I used one of the FM transmitter devices(link is external) and it was excellent." Thanks for the reminder. I used one with my first big iPod (hard drive, FireWire), and once you had found a suitable frequency it was fine. It then had a second life in rented cars. Jonathan