leadweight once bubbled...
Since the usual suspects are trying to ...
Monty Python: "And now for something completely different."
... but it might not be for a big guy who dives wet in cold water with a 120.
Don't dive wet steel.
For extra lift...
Actually, as close as possible, I started with backplates (or rather: as close as probable). My LDS doesn't train in backplates, nor does it sell/rent them, so I went through a few dives with jackets before I was able to afford a BP/wing setup. My happiness with the setup has only grown. I've dove it in T-shirts, and in 7mm wetsuits.
I don't like the implication of the BP crowd trying to give a "hard sell". I don't think any of us would measurably profit by a recommendation on this board, so if we seem a bit... zealous, it might be for a good reason.
jeff