I know this isn't the cheapest price listed for this game, but Newegg had the Xbox version for $37.99, PS3 for $39.99. I got free shipping for the Xbox version.
Xbox:
http://www.newegg.com/Product/Product.aspx?Item=N82E16874163050
PS3:
http://www.newegg.com/Product/Product.aspx?Item=N82E16879257078
Xbox:
http://www.newegg.com/Product/Product.aspx?Item=N82E16874163050
PS3:
http://www.newegg.com/Product/Product.aspx?Item=N82E16879257078