I received my new legacy Santa fe gp9 powered and dummy today and some of my thoughts are below,
Pros,
paint, detail, sounds, smooth runner, smoke, no engineer in dummy
Cons
The dummy is a real dummy, no lights, no nothing but it does look good.
Some thoughts,
This is my first gp9 and the sound set is fantastic although the cab chatter is nothing special but I don't use it anyway.
The smoke ramps up as you increase the rpm's
The horn sounds close to the real thing if my memory is correct, if not it does sound great
The gap between the trucks and the body is about as close as it can get without having a attached pilot.
In summary I give this engine a A+, IMO it can't get no better, well maybe it can but this is a great set of engines.