Amazon has a pretty good price for Batman: Arkham City - Game of the Year on PS3, it is $29.34 inclusive of shipping charges. I found it at Oz Game Shop for $30.90 with free shipping and for $30.50 shipped at EB Games.
Its obvious isn't it..... ! Through Buckscoop Australian consumers can freely share deals, vouchers or promo codes, bargains and freebies they think are worth mentioning. At Buckscoop you're participating in helping others to share in the good deals that you find and of course the share in those others find as well.