M.C. Fujiwara: It seems to me, from what I've seen so far, that I'll probably end up bashing a freight wagon of some kind (UK prototype?) into a roofed flat with bench seats and safety sides. I've joined Shapeways and may find what I'm after somewhere in their lists. In any case they seem to be the folks for N3N trucks., even if I have to scratch the cars myself. I'm cool with that except I'm not confident of getting the fine paint line detail such cars deserve. V. narrow strips of coloured decal perhaps?