I saw these vests at a local shop for about $350. Looked pretty good, except I would agree, the hook looks a pain to remove. I'm currently using a waist harness and the hook roles flat when you lie on the board. Pretty handy!
www.coastwatersports.com/forward-wip-wing-50n-impact-vest-buoyancy-aid-with-hook-p-27427.html
Forward WIP Wing Impact Vest - Kitepower Australia
www.kitepower.com.au/products/forward-wip-wing-impact-vest