One layout scheme that has nagged me over the years has been that of a table-top modular system. That is, small scenic boards with simple track arrangements that can be plugged together in any configuration on a table top. I suppose it's just the next level up from set-track really. I've mentioned it before in an earlier post, but it didn't get much further at the time. However the idea has never completely gone away and the system of self-contained track modules that I'm currently using for Twe