Are you referring to the "burnt" rings in the discs? Ive had this happen to me before. If you have your console upright and accidently bump it or something the laser burns a ring in the disc. In my case it was still playable I just couldn't load certain maps on COD4. Its a pretty easy fix if this has happened to anyone. There is a place in most Hollywood videos that have a game store that will buff out the ring for about 2 bucks. Its nice to have them do that rather than buy an entire new game. And just for reference my box just died 3 days ago from RROD, almost made a year. Has anyone had experience with best buy's warranty? I was told if you bring it to them and 50 bucks you can get a new one that day compared to shipping it out.