New updated engine for the DLC and the vanilla edition is a very good action from larian in order to keep supporting the players who bought D2. Even for the people who dont want to buy the Expansion, they will surely get a lot of added value in the patch for new eye-candy and updated stuff in their game.
A very very good move and i'm still amazed at this. If the engine "upgrade" is realy noticeable in the vanilla game, D2 just got a whole lot of added value and to think it was on sale for €30 or so its a complete bargain with updated support/patches.
Thumbs up, i'm surely gonna pre-order it as soon as its up.