Mudkip - Welcome to the JNS Forum. You have a very nice plan. One question, how many trains do you plan to run at one time? At the moment we are have a discussion about the Kato double cross-over track and how to set it up with DC.
In another post you said you aren't sure which track you are leaning towards, Tomix Fast track or Unitrack, are you leaning towards one over the other?
For most of the past few months I've felt a slight leaning toward Kato.
Reasons:
--- The new Kato suburban platforms look lightyears better than anything Tomix is currently putting out. They're sized for the 66 (vs 74) mm track spacing. Same with the oldschool Kato elevated station, which I find much more aesthetic than Tomix's designs.
--- The double-track superelevated curve pieces are positively drool-worthy, and I kind of want an excuse to use them.
--- Long-long term, if I build a permanent layout, I plan to mostly use Kato 718mm turnouts, so it makes sense to start accumulating those now.
--- It's just nice to go down to a brick-and-mortar hobby shop and pick stuff up.
HOWEVER...
--- I want to run trams and interurbans, and Kato doesn't offer anything like Mini-rail.
--- The simplicity of the 541mm point (versus Kato's 481 with its various fitter pieces) allows for more complicated trackwork at station and yard throats.
--- Tomix truss bridges are longer (280 vs 248) and I think that looks more aesthetic.
And what has really made me reconsider Tomix is the "completely selective type" points. I really, really like the idea of being able to have reversing loops and other polarity-messing things without ever having to worry about insulated rail joiners. Most of my plans to date steadfastly avoid any reversing loops for this reason.