Pretty much everyone of the top 6 looked really good, but as the OP says, this is preseason (so defense is maybe 70%). Porzingis looks pretty good on offense. It's going to take our ball handlers a little more time to get completely in sync with him, plus, the jay have never really been pick and roll stalwarts, so we'll see how much of a weapon that is over the long term. On the plus side, Porzingis is very much a deterrent at the rim. He's 7'4", so should not be surprising, but I don't think our defense will lose much after losing Rob (which says a lot). Bonus is that Porzingus moves his feet better than I thought too.
The Jay's look good as well. It's really just all about the post season for those two. Have they progressed to the point where you won't see those lulls when the game get's tough? No way to know right now.
White (not top 100) looks great, Al looks the same (which is good). Jrue still trying to settle in, which is not surprising at this point. I hope/expect him to get more assertive throughout the season and become a reliable closer for us when the Jays don't have it.
The bench is a concern; hopefully we can piece it together throughout there year. PP has obviously done well and should get regular minutes. He's fun, though limited. Hauser needs to start making shots. On the good side, he's really really solid on defense. I don't expect any other bench player to get regular minutes.