MGS4 E for All 07 Interview, Payton says Blu-ray needed for MGS4

Gametrailers interviewed Ryan Payton about new features, user feedback and blu-ray necessity with Metal Gear Solid 4. The most interesting segment being when they asked Ryan Payton if Blu-ray was needed for MGS4. He replies: "The fact remains that we couldn't do what what we're doing on MGS4 without Blu-ray because we really eat up that capacity".