The SOB I have I think is rather old. When it's old the belt the gun sits completely horizonal. From the pictures I've seen of newer SOB's, there is about a 10 degree angled cant upwards. But I've only seen the models with larger framed guns in them.
I just got the USA this afternoon and it's a little stiff. Galco said that's so it's a little easier to re-holster. It doesn't have that metal reinforcment at the top of the holster like the Ultra Deep Cover does (I have a Ted Blocker X16 like that). I'll just leave the gun in it so it can take the right form, just like a baseball glove with a ball in it. I wore the holster (no gun) around work today and nobody noticed (and I didn't tell anyone either). It's a little uncomfortable but I'm sure that will get better with time.
Best price I found for the USA was at Arizona Gun Runners for $63.36 shipped (UPS Ground to Cincinnati).