This is NOT a piracy question, I'm simply curious as to why this is. What is it about the OFFICIAL Nintendo discs that allows them to read, but avoid a copy of a disc that has the exact same data? Is it the way they are burned at Nintendo? A size difference in the discs? Some sort of invisible code somewhere on the disc? I've always wondered how the Wii distinguishes between official anby AmuletOfNight - Homebrew General