Bryan Anderson is a top 5 prospect in the Cardinal organization. The 4 others better than him in the Cardinal organization are Colby Rasmus, Adam Ottavino, Jaime Garcia, and Blake Hawksworth.
He is a good hitter, but needs to develop power to become a regular in the bigs. Also he needs to work on blocking balls to stay at catcher. Isn't expected to be with the big league club until 2010, maybe late 2009. He probably isn't even a top 200 prospect yet.
Expected Pos: Backup C, 1B
The best player you listed is probably Daric Barton, maybe Josh Fields. Also I believe Eric Campbell just moved to 2nd base and according to Sickels he is the Braves best prospect, higher than both Andrus and Salty.