Hmm. After seeing and reading all of these, mine is probably the most bland and boring, lol. Mine is my first locomotive, a Bachmann "Illustra-chrome" ATSF F9 that I still have sitting here on a display base on my coffee table. I still have a BUNCH of my old TYCO for sentimental reasons, still packed in my garage down stairs. They'll probably never wind up getting unpacked, but there are some real treasures, including complete Silver Streak, Comin' Round the Mountain, Chatanooga (Diesel) and Rock Island sets, as well as several additional Locomotives, cars and accessories. It's not up to the standards of my Atlas, Proto, Stewart, etc., but, it sure is a lot of fun to tinker with and see running. Maybe one of these days, I'll put an around the walls setup around my nephews bedroom and give them to him.
Fun thread though, I'm enjoying it.