brash_stryker said:

I'm not speaking for Ady at all here, but he has announced in the past that he'll be going to town on ROTJ. Not as drastic an edit as the PT, obviously, but it seems to be implied that he'll be filming new elements. So we're not limited by existing footage at all.

That's what I understand will happen too, as I mentioned above. What we know so far, he is planning on expanding the space battle with more (new) B-Wing and A-Wing action and more (new) footage of Rebel commandos fighting against the Imperials on Endor (and hopefully less of certain antics by the Ewoks), of which I am most certainly in favor of and those do not defy the lore. He'll be able to shoot all kinds of new footage, however, we are limited with how much footage there is involving the OT characters - that's what I meant - with limitations of what they can do and say too.

I agree, the 2nd Death Star needs to stay in ;)