The kids and I think we have a winner! We have very little space to work with, so the layout is restricted to 3X7. In those confines we wanted as much switching as possible and a reverse loop (we don't mind backing through the loop, as we're only using a small switch engine). So, what do you think? Feel free to point out any issues you think we may have with this configuration, I/we take constructive criticism well! And if there's anyone in the Denver metro area that's a wiz with electrical...
Thanks for looking,
Tim