Until January 10, 2010, you can join in on the open beta for MAG on the PS3.  The open beta is available for download through the Playstation Network Store, and will include two game modes:

• Sabotage with 64 players
• Domination with 256 players

MAG will be available on January 26, 2010, and is available for pre-order through Amazon with a free $10 credit towards a future video game purchase.