Finally, regarding Uncharted 2's multiplayer mode it was revealed by Lead Kevin that he and his team could update Uncharted 2's multiplayer mode “without patching”.
Essentially he stated that Naughty Dog could update playlists and even make changes to the levels without PS3 owners worrying about downloading the newest patch. He did note, however, that Naughty Dog would patch the game if it was absolutely necessary.