http://www.gametrailers.com/player/26742.html
http://www.n4g.com/ps3/News-76123.aspx

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".

Gametrailers网站在E for All 07 期间采访了MGS4开发人员Ryan Payton，他表示MGS4不能没有BD，因为MGS4就是要用掉这么大的容量。