I think Marbury will jump in as the 6th man, and Moore will join a platoon of big men off the bench with Powe, Davis, and Scal (when he is healthy).
I know a lot of people are not going to be happy about this, but what Moore does is provide Doc with the ability to mix and match based on matchups, like he did last year. He will play the hot hand, and the guy who is the best matchup.