NotPotter
CAGiversary!
I know there's been a spate of Dead Space deals but this is the cheapest I've personally seen new.
http://www.argos.co.uk/static/Product/partNumber/5660988/c_1/1|category_root|Video+games|12109654/c_2/2|cat_12109654|Playstation+3|12109671.htm
http://www.argos.co.uk/static/Product/partNumber/5660988/c_1/1|category_root|Video+games|12109654/c_2/2|cat_12109654|Playstation+3|12109671.htm