I'm on my 3rd Xbox 360. I run a data center, and am pretty careful about disk handling, cooling and clean power. But the worst part of this little episode has been the ability of ALL three of the (new) 360's to put scratches in $60 disks. I'm on the 3rd Oblivion Disk (all have been scratched into uselessness) and they've also screwed up 2 Ultimate Alliances. Manager at MicroCenter is willing to replace them - not everyone will be so lucky. Replacing scratched DVD's is expensive, and not always possible without re-buying them. Hard to believe that 3 out of 3 Oblivion disks were (originally) defective, and 2 out of 2 Ultimate Alliance. Halo 2 also crapped out. Is this their master plan?