Even if it sucks, warlock has to be the most swaggy looking variation. I'll be playing it the majority of the time. Only playing sorcerer/summoner when it matters.
REO and Tom are streaming matches. Looks like REO just managed to bat summon mid combo during trance duration. May be conditional (you don't have many frames after so may only be able to combo off a standing 1 or something), but that's huge.