Which piece of exotic gear from HoW are you most excited for?
Personally I can't wait to use the ram helmet on my warlock. Disorient enemies with radiance? Yes please.
[b]Edit[/b]: for those of you who haven't seen them yet.
http://planetdestiny.com/destinys-expansion-exotics/
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Probably the Hunter helmet. The gauntlets seem pretty useless since you normally never try to melee any enemies.