I heard back from Defender earlier in the week about the Revere RescueMax MOB recovery system, and am just getting around to updating on it.
They said it does NOT carry any USCG approval as a PFD or throwable device. This significantly dampens my interest, but I would still like to hear from anyone who has experience with it or knows more about it. I'll try a separate thread in the Gear forum.
I just received my RescueMax from Defender, and I am very pleased. It looks very well made and designed. I'm not worried about the USCG approval (maybe it's just too new) since I always have a seat cushion which meets the minimum requirement. It is well worth the current $40 price see link.