I highlight the POST because we have had lots of power forwards who were much more face to the basket players (Ace Custis, Perry Young, Jeff Allen, Zach Laday), but I don't really think any of them were players who could truly back a big down. His ability to combine that with some face to the basket drives and shooting.
You combine that with his ability to stay in games (i.e. less foul trouble) which has improved a lot since last year.