hi i was just wondering if any of you guys have experianced this and know the cause of it . on lauch day when i got my 360 i was playing pgr3 and all of a sudden i heard this almighty scracthing noise so i turned off the 360 and toke my game out only to find that my disc was all scratched , so i toke my game back to the Game Store in town and told them this is what my game came like and they replaced it no problems, but it has never happend since that day thank god but was just wondering if any of you guys have experianced this weird thing