building a layout in our spare bedroom, only took me 25 years to talk the wife into it
Modeling the DT&I, the line runs through the back of our farm south of St Paris Ohio
Welcome back to the hobby, here is a design suggestion, http://hogrr.blogspot.com/ , takes less space, easy reaches, largest radius for the space, and if you do it on a shelf you can put furniture underneath.
A very warm welcome back Sir. 30 years away from the hobby, your certainly going to notice changes - all for the better no doubt. And, it only took you 25 years to convince your wife into letting you use the spare room? All I can say is you MUST be very patient and very persistent