Hat you've covered. It's obviously an important item (one that I'm still working on myself).
Body is great for looking good in town, but not a whole lot else. If you need the ACC you can get a Scorp Harness; it's probably much easier to do so anyway.
Hands are a decent RACC piece. The only pieces with more are
Enkidu's,
Pahluwan,
Deadeye,
Barbarossa's, and
Crimson.
Legs make a decent Detonator piece, not sure about Slug Shot, though. I don't use them for Slug Shot, anyway.
Feet are the highest ACC COR can get in the slot, save Commodore +1. I use them in situations where I'm missing too much for Haste to outweigh the ACC.
Just my two cents on the AFv2.
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If you can't have the otter, go for the derby.