Jib, glad you have a good sense of humor!
So seriously, what do I think about Aaron? I do definitely think we are being pointed in the direction of the religious undertones. As vickilynn says:
Well, in the bible Aaron was the first high priest. He was the brother of Moses, and because Moses wasn't a good public speaker, Aaron did the talking for him. He is the one that God told to go to Pharaoh and ask to let the Israelites go free.
Because of all the clues you mention, I think we are being led to believe that Aaron might be one of the children that the island investigates for potential leadership status. To speak for Jacob, perhaps, as Biblical Aaron spoke for Moses. And there is the question of the significance of Eko baptizing Aaron and Claire. But the thing about "Lost" is that it's hard to tell if what we're being led to believe is what's really going to happen.
Of course, he's still just a baby, too young to "choose a compass" or whatever. But it's interesting that the Others don't seem to have shown that much interest in him yet. They didn't try to steal him -- that was Danielle.
And of course, there's the theory that the phrases "You're not supposed to raise him" and "Don't you dare take him back" (which we are apparently meant to believe refer to Aaron) could possibly refer to raising John Locke from the dead and taking him back to the island. Maybe Aaron's not such a big deal after all?
I don't know... I think I'd say I'm "cautiously interested."

When the series first started out, I was convinced that Aaron was at the heart of everything. Now, I'm not so sure.