It's a pretty comprehensive look at what the full multiplayer mode will be... (gamerassaultweekly.com)
Cool update but about uncharted 3... why isn't the full multiplayer mode available with the single player game? (blog.us.playstation.com)
You'll be able to play the full multiplayer mode (including all maps and DLC) and rank up to Sergeant I, at which point you can unlock the full version for $ 15 ($ 7.50 for PS + members) to continue playing. (vghangover.com)