Recently, Eidos Interactive, makers of the upcoming Batman: Arkham Asylum, have announced that for the PS3 only, players will be able to play as the Joker. Well, it seems as though this announcement is motivating consumers to get the PS3 version. The Playstation 3 version is ranked #192 on, while the Xbox 360 version is listed at #632.

Now, you may be saying that this is only one site, and not a clear indication of the market; well there is some truth to that, but Amazon is the premier online retailer, when it comes to games. And there statistical ranking system can give us a clear, yet broad, determination of what the market is doing.

Batman: Arkham Asylum is scheduled for release June 23rd, and is coming for the PS3, Xbox 360 and PC.