Man the monster revelation was the best piece o info they ever revealed to us.

I mean now we know the reason for the hallucinations and sightings and what they are.

The only reason I am made Eko died is that now the Losties will never find out that the monster is the cause of the hallucinations.

It would be cool if the Others were taking the good people away for the sole reason that the monster wouldn't scan them and eventually kill them.

Okay possibly the Monster left Eko alone the first time because it was scanning him and wanted to see more of whether he was good or bad. Same with Locke most likely. The monster gave Eko tests by showing him his most powerfullest desire, Yemi. And with that it tested his faith in it and other stuff. If this is so than Locke will die or come close to death soon.

But if you all remember correctly Locke WAS dragged by the monster down a hole and was saved, so maybe the monster has been trying to kill Locke because it found out he was good.

But when Eko came into the picture it left John alone...until now! Remember Boone. The monster is aware of Locke and will do what it did with Eko to Locke.