Yeah Bachmann !!!!! I see you have an Alco S4 for the Northern Pacific. Now how about a GP7 or GP9 to go with it? Ask the powers that be to consider doing what the other guys do and offer you locos for all road name and numbers with or without sound. I'm buying the NP S4 but will have to get a sound decoder for it. And thanks for making the newer locos sound ready with a space for a speaker. Joe