I wouldn't expect any old kits redone as everything will be new. Too be honest, the skycutter kit has aged pretty well.
I expect an archer kit, some kind of large kit (chariot or monster), and some kind of artillery for sure.
I think we'll definitely get swordmasters and maybe a kind of Ellyrion Reaver unit.
So far, the pointy aelves trailer revealed artwork for the old spearmen, archers, swordmasters, and Reavers.
So far, we have spearmen and archers redone. We know the Archers are coming because of a split second freeze in the Lumineth reveal video that coincides with a Warhammer Community rumor engine picture
. So I think we'll be getting a redone swordmaster unit (which I'm stoked for). For the Reavers, just make the new silver helms a dual kit