I'm a huge fan of commuter services, and that definitely includes Chicago's Metra. So when I heard that Atlas was releasing Metra Nippon Sharyo gallery cars in HO scale, I had to get my hands on some.
Trickle-down tech is just about how everything works these days. First the high-end rides get it, and over time it migrates to even the cheaper cars. Remember ABS? It started in the exotics, and now ...