Our NASA Wallops train club took a survey and roughly 95% voted for an HO layout. Even though I am an avid N scaler, I'm a sport and I also wouldn't mind having something to run my HO stock on. We're also having a hard time finding a permanent home, so we're tossing around the idea of HO T-Trak. From what I have found (and the HO information seems to be thin vs. N), the standard single HO T-Trak module is: Size - 486 mm x 486 mm x 70-100 mm (LxWxH) Track Length - 492 mm (369 mm + 123 mm) Fascia to first line (roadbed edge) - 83 mm Track Spacing (center to center) - 60 mm Do I have those numbers correct? I already ordered some Unitrack sections and I'm planning to cut up some 1/4" plywood on my table saw this weekend to build up a couple of single modules to take to our next meeting. I'm hoping by showing how rapidly the modules can be built, we can get members jumping in and a layout started quickly. We like the idea of each person bringing 2-3 modules to each meeting and setting up right on the conference table. Any tips, suggestions, warnings? Thanks!