Tim - I think you have hit both targets - us nerds....plus the general audience. Great stuff. Also great to see so many folk keen to preserve LT history and make it available.
Chris
I think stuff needs to be mechanically sound to start with but in terms if electrickery DCC does help - I am a fan of stay alives which also improve things...
I did the same in the 1990s....the US stuff was a revelation..I'm back now but I have a box of BR duds....when you take your trainset to a show you have to have stuff you can rely on....