Batman: Arkham City is on sale now, two days ahead of its official local release date. We've been unable to uncover who was first to break the street date but JB Hi-fi is selling the game now and both EB Games and Game are selling it also, confirming the fact via their respective Facebook pages. Since the game is not released in the US until October 18 and Europe until October 21, Australian punters will be the first in the world to get hold of the game...