I've got a B4 you can have for £50. I got it off here about 2 months ago to run as a wet car but never got round to it and now I need to have a break from the sport.
The pic is no longer up there but this was the orginal advert
http://www.oople.com/forums/showthread.php?t=111743
Comes with loads of spares (as I've got loads I'll add to it), just needs servo mounts as I didn't get any.
I'll get photos over to you tonight if you're interested?