I agree, "The Book of Eli " was the best post apocalyptic move I have ever seen..........
Lots of internet forum talk about Eli being blind but there is really no evidence of that being the case..........
I think the implication that he was blind comes from the fact that the bible he was carrying was in braile. After all, Carnegie did get the book but it was useless to him because the blind woman refused to read it for him.
Really an interesting movie in the sense that it put a positive spin on some pretty Christian themes like Eli being protected and empowered by God. Naturally the critics hated it.