Paul - This is the one I have, it looks much better in the flesh than this pic but you will see the spec. Ill show you it when we meet up.
http://www.caraudioplus.co.uk/BEAT_-...0_DVD_USB%20SD
This is another one in silver, again with SD card slot.
http://www.caraudioplus.co.uk/BEAT_-_BEAT200S
Its not a classy brand but I went for the spec and the performance is very very good for the money.
Cheers Steve