Without any evidence, my feeling is that Shalit is alive, but that the other two - in Lebanon - are not. There was suddenly no more mention of them after the Israeli raids on Baalbek.
I think muslim hate is so great, that none of the soldiers survived long after capture.
IMO, the Hamas/Hezbolah goal is to get thousands of freed prisoners in exchange for 3 dead bodies.
As for the Egyptian FM, well...muslims lie.
I would like to be proved wrong. But I've grown to know terrorist scum very well since 2001.