I'm most interested in knowing whether he plans to do all new sequences with models and the like, as he's doing with ESB and ROTJ. I mean, the PT is easily the most fequent target of fanedits, of any films ever, so edits have been done, and some things like colour correction ,lightsaber colour changes, all that, they've been done too, but a huge scale redesign hasn't ever been done, and I'd lvoe see what Adywan could cook up to improve the prequels.
Plus his skill level with this sort of thing is going to be phenomenal after ROTJ: R, so I really can't wait for PT: R.