Just a little update. Hobby shop across town had 3 TIU / remote combo sets (Rev L) and plenty of AIUs and the transformers from 500, 750, 1000. I was leaning toward the explorer, but after a few more youtube vids, and knowing I would get that "UGH" should have gotten the full version... I wanted the top setup. But everywhere I called, website, etc doesnt have the TIU separate, or with the WIFI module combo. And im watching a used one with minutes left going for 470.00 on ebay right now. Wow... they must be really hard to find. Glad to have a new one for much cheaper, and warranty period.
Not doing the AIU anytime soon. Not on a layout that constantly needs switch changes. Just got home from hobby shop. About to wire up with relay boards to switches and give them a try.
