Pardon my over-simplification, but the last time I checked OB was EVERYONE friendly (MD, DO, IMG)! I've heard it's getting harder, but it's still wide open as long as you pass boards and have good recommendations and rotate places (and aren't a ***** or a jerk).
Pensacola has traditionally been DO friendly and has several DO's on their staff. I can't remember the others off the top of my head, however do a search as last year there were several threads on this exact topic.