Just as a point of reference. Here is Call of Duty: Black Ops II.
You can buy a USED copy of it for the PS3/360 for $54.99....or a brand new copy for $59.99.
http://www.gamestop.com/ps3/games/ca...-ops-ii/101864
http://www.gamestop.com/xbox-360/gam...-ops-ii/101863
Gamestop is a HUGE problem with the used game market.