You experienced guys may know what I mean when I say that I am starting to get intimate with the old Mexico track. With all the photos I have and the short video clips, I'm starting to get a feel for what it needs.
RTB, at least at this point, seems to work well to get things in there quickly and see it. But after working with it and Blender, I see no way to finish it in RTB, it's going to take fine tuning in Blender. Fortunately an export function was added that will allow export of parts of the project.