ok, 1 yes, 2 yes (personally I really want a scene with him Hoid and Lift in the same room), 3, hmm, thats a hard one, I'd have to say nicrosil compounder, or a-bendalloy/f-steel. 4, I did the official quiz thing and got windrunner but would choose elsecaller. Gravitation and transformation are my favourite surges (still trying to figure out how transformation doesn't violate the laws of theormodynamics).
either that or chromium compounding