PS3: http://www.gamefly.com/store/game/ps3/Batman-Arkham-Asylum/135130/
360: http://www.gamefly.com/game/xbox-360/Batman-Arkham-Asylum/135125/
The PS3 games usually sell out quick, so get this while you can.
360: http://www.gamefly.com/game/xbox-360/Batman-Arkham-Asylum/135125/
The PS3 games usually sell out quick, so get this while you can.