I'm planning on taking advantage of Blockbuter's used games deal next week. I purchased Max Payne used a while back from BB and noticed that a BB price sticker was put under the back sleeve and the disc had been stamped with the Blockbuster logo. Has anyone tried to subsequently trade-in one of these games to another store? I didn't know if other stores (local used, EB games, Software Etc.) would refuse to take these since they were marked up. Also, does EB do any markings on their used games?