MGS4 doesn't have multiple languages on 1 disc.......

[Borkachev]

http://www.joystiq.com/2008/03/02/kojima-mgs4-too-big-for-50-gb-blu-ray-disc/

Everyone, including naysayers. Read and be happy

That post just sources back to the exact same page as the one posted here earlier. Until I see the place in the interview text where this "50gb" number originated, I'm still working from the assumption that this news is being grossly distorted and blown out of proportion.