FWIW, I dive a Halcyon Infinity with a S/S BP and the cinch harness. I wouldn't presume to question what the other posters on this thread are saying, but chances are they're diving with what works best for them. I've developed a strong preference for BP/W over jacket BCDs but that's just me.
Ultimately you have to do what works best for you. I've never worked as a PSD, but if the team leaders you're going to be diving with have a preference for a certain type of gear, then presumably they've got reasons for that and have developed their procedures and best practices accordingly.
And as for the other thing, I always assumed that since I was a dork to begin with, learning to dive just automatically made me a dork diver. I didn't know there were groups ...
Ultimately you have to do what works best for you. I've never worked as a PSD, but if the team leaders you're going to be diving with have a preference for a certain type of gear, then presumably they've got reasons for that and have developed their procedures and best practices accordingly.
And as for the other thing, I always assumed that since I was a dork to begin with, learning to dive just automatically made me a dork diver. I didn't know there were groups ...