Rockstar announced today that the Red Dead Redemption
"Legends and Killers Pack" will be available on August 10th. The pack includes nine new multiplayer map locations, the Tomahawk (new projectile weapon) and additional Achievements and Trophies. We will also get eight characters from Red Dead Revolver
added to the roster. The cost will be $9.99 on PSN and $800 MS points on Xbox Live.
I will throw up some images when I can get them later today.
UPDATE: Dan As promised, here are five images from the new multiplayer DLC