I've been doing the "Body Beast" program from Beachbody, and the shoulder workouts are amazing. Since I am pre-T, I haven't really gotten very big, but I can tell my shoulders have gotten broader and my hips are smaller. It has a lot of traditional moves like shrugs, lateral raises, presses, etc. I do push-ups, but for some reason, if I do more than just a few, it hurts my right forearm. I think one of the muscles in my right forearm is a little off, because I can usually feel it moving around where I don't in my left arm.
I haven't really even tried to pass since my shoulders have broadened, but I do agree that it's really helpful in passing. That's one of the first things I notice about men when I am out and about, and usually when I see someone who's kind of andro looking, shoulder size is one of the things that catches my attention if I am trying to decide whether to call someone a he/she.