My thoughts/responses:

1) Something is DEFINITELY up with Rose.

2) Sun told Jin the Whole Truth on two levels: her pregnancy and his sterility (which, yes, I think was somehow "cured" on the island).

3-4) Henry told the "truth"... there is a balloon and a grave, and he drew the map to find them.

5) I think the episode title refers to all these things, and I also think that Henry has sent the Losties into a trap.

Believe it or not, but of all these things, I am most eager to find out about Rose. I hear there is a Bernard/Rose-centric episode coming up... I can't wait!!!

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"Not all who wander are lost." - J. R. R. Tolkien

"You cannot live a perfect day without doing something for someone who will never be able to repay you." - John Wooden