I hated Elson as a starter. As a backup, he wasn't horrible.
The Spurs are by far the best defensive rebounding team in the league. I haven't complained about rebounding all year. The Spurs are already the best defensive rebounding team in recent NBA history.
Maybe Kurt Thomas will even further than dominance ... but that'd be pretty hard to do.
If Barry comes back, it's not a bad trade. It's not a great trade either. Like I said, it's more of a strategic move. I'm fine with it but I'm not going to celebrate this transaction.