Its a good question. Early in the season I immediately saw Casspi as a futrue roleplaying starter for this franchise. It was obvious that he was just that good and that mature from the beginnning. Not a big star. But a scrappy 12-15ppg type support starter who could hit the threes, give you hustle points -- a winner of the type good teams always have around.
But then within 2 or 3 games of seeing the new and improved Donte Green I immediately started mentioning that I thought he might be the second most exciting prospect on the Kings (behind Evans of course). Omri could be a good roleplayer on a good team. But Donte...Donte could be a star. What he's shown this season, and in particualr on defense....if that does not excite you you just don't know what you are seeing. He and Evans could form a positively nasty huge athletic defensive stopping duo at the PG/SF spots. I hate to even remotely invoke these names, but in the same way Jordan and Pippen made things so tough on the perimeter back in the day. Throw in a defensive roleplayer between them (the Ron Harper role) and your perimeter defense could be flat out excellent. Then Omri becomes Kukoc off the bench.
And so I personally think you start Donte there -- and Coach, you start him and play him more than 22 minutes when he's going good.
I already pretty much know what Omri is and can bring. He's amazingly well developed for a young player. But I am extremely intrigued to see what Donte can be -- we need to know. And so he needs to play, and consistently. If he really does realize the potential we as a franchise are really set at those PG-SF positions.