double posting is not cool. These are slow times for this forum and it takes a while to get some responses.
That said, there are a million threads about those two boards in this forum, a simple search and you will get hundreds of results.
I ride the agent and it's a great board for park, but still can handle anything you throw at it in the mountain, it also has lots of pop.
The anthem is more stiff and better for powder and big mountain riding, I am sure you still can hit some jumps with it.