Why will MGS4 & FFXIII save PS3 when MK:DD & M:Sunshine didn't save GC?

[libellule]

And honestly, if the PS3 doesn't pick up sales this holiday season, don't expect FF13 to stay on the PS3.

==> I agree.
Same for MGS : bad sales for the PS3 version will accelerate the release of the Xbox360 version.