Wow, you guys who are writing off this season after two episodes are ridiculous. Is this the Heroes thread or something? Anybody finding fault with the season this early just doesn't want to like the show.
Didn't answer any questions you say? How about once and for all finding out what the smoke monster is? I'm sorry, but that's a pretty big

ing deal considering it spans all the way back to the first episode, and explains Locke's face to face with Smokey in the jungle when it just backed away. Clearly, it knew it was going to need him in the future.
As for the "what if" b-story, I'm not convinced whether it's a parallel universe, or just a different time from the "present" on the island. My wife and I theorized that maybe setting off the bomb did work, but as the b-story plays out, we're going to learn that preventing the plane from crashing didn't make a damn bit of difference and that they'll all end up on the island anyway. That would be the "you can't fight destiny" angle. It wouldn't explain why they're not aware of it though.
I do like the suggestions of parallel universes "merging" though too. Dying on the island and "waking up" in an alternate universe is almost too hokey though...and it sounds eerily similar to the "they've been in a coma the whole time!" explanation that many people had in season one.
Anyway, I thought both episodes were fantastic. High intensity just like LOST should be. And every time I start to doubt JJ's storytelling, he puts out another great piece of work (Alias, Cloverfield, Fringe, and now Star Trek). I think he's more than proven himself. Can't wait to see how it all plays out!