Thanks everyone for your input. I probably should have clarified that my first priority is a line in for my MP3 player so it would seem getting a new CD stereo with an aux in is by far the easiest option. It's just that I have no need for a CD player in the car (they'll only get scratched) and I have a load of old minidiscs that would get a new lease of life if I had a deck in the car. I have a Mazda MX5 so there's no room for a changed and to be honest half the appeal is having something on full view that says "Yes, I love minidiscs"! Ah well, looks like it wasn't to be