Those of you considering an auto-inflate model, do yourself a favour and buy a re-arm kit at the same time. If you are away for a weekend or a longer holiday and you happen to get dunked, you'll be stuck without a legal PFD unless you carry extra regular PFDs in one of the hatches. It'll cost you $25-$30 for a re-arm kit but there's really no expiry date on them so you'll be good to go.