To tide you over in the meantime, the game:
http://www.topgear.com/uk/games/rocket-robin
Edit - thanks to somebody on the ksp forum, there IS a Reliant Robin part.
But it doesn't seem quite finished. On my computer, there is a graphical glitch, and I cant get the rear attachment point to work. But I did launch it into space anyway.
http://forum.kerbalspaceprogram.com/threads/2622-Reliant-Robin
If somebody who knows how would like to tinker with it so you can attach winglets, have it work as a pod, and be able to drive it... that would be great.