BP/W from DSS (Thanks Tobin, it changed my way of diving). Any BP/W would have probably done it, but Tobin's phone call before shipping changed my appreciation for buoyancy and trim considerations.
Ditto.
Tobin spent an hour on the phone with me to make sure I was getting the right BP/W for the type of diving I would be doing. He asked about my tanks, exposure suit, under garments, and the environment I would be diving. He was very thorough before letting me order my BP/W. Can't say enough wonderful things about Tobin and his customer service.