PS3 games bigger than 360 games?

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Hey guys,

I keep reading that the 360 stayed with DVD technology. Of course, the PS3 was thinking out of the box and put their games on Blu-ray.

I was asked by and X-Box owner who feels we (PS3 owners) were "forced" to buy a Blu-ray player and asked me, "Name me one game on PS3 that couldn't be put on a DVD."

I thought RFOM was 17 gigs, but then, I think I read that here with no links.

Does anyone know which games are bigger than DVDs 8.5 gigs - whether out or not? Heavenly Sword? Warhawk? Ratchet? MGS4?

(I heard MGS4 was rumored at almost 25 gigs). Anyone know of any links. Even if my friend didn't ask me, I would be very curious.

I think the 360 was short sighted not to use HD DVD technology for it's games, but I'm curious to know if we have proof of that.

Thanks as always guys,