More lighting, including step lighting - several side panel opening maintenance doors with a modeled three dimensional engine behind the doors. A down side to more doors though could include increased risk for breakage. More LED lighting, though, is an easy feature to add. Lionel is on the right track with their self centering pilots.
I drove to Salt Lake City for the Thanksgiving Holiday and on the way out saw Union Pacific running freight in western Wyoming at nearly 80 mph. It was cool to notice all the side lighting on the 3-4 locomotives. There is a lot more to lighting than just headlights, ditch lights and cab interiors. N Scale modelers are adding step, safety and inspection lighting to diesels.
