Also took dive light and back up. Im a newly certified instructor and the reason so many instructors recomend vest style bcds. Is how they position new divers at the surface. At the instructor exam we are to be motionless at the surface. So vest style works great. But in use a back plate and wing is the most versatile. However at the surface they tend to try and possition you facedown in the water do to the fact they are back inflate.