I run both dcs command and conventional. My two latest locomotives purchases are a brand new ps-3 equipped engine, and a 80-ish year old American Flyer. They are both great, And if I vary the track voltage I can run the Flyer unit from the dcs handheld remote. It's all overkill because right now my trains just run in circles, but it's fun to me.
I also have my 70's era starter set from back when lionel was running dc on 3 rail track. I eventually but a new motor in it because I had mechanically worn out the original and modern digital e-unit so I could run it with everything else. It still gets a few hours a year and makes me smile.
