Yes, my want is also the NL1 style navigation, in both the editor and the sim.
I also have a second "want". I wish you could just put straight sections of track. For example, just place the first node of the section and the second node, wherever you want - then there's a straight section of track between them that isn't affected by the movement of a node 4 bloody nodes away along the track, and just remains straight.
As good as the new method of building is for the track itself, it is a real chore to make straight sections that just stay straight. You seem to have to put about 3 nodes at each end of a straight section, lock this one, strict that one lock the next, etc. It just seems a bit of a farce for what should be the simplest thing in the entire editor. I just want a straight section!