I know that in the previews for next week, it seems that Jack's appendix has busted, so I'd bet that will be significant in getting him off the island.
I'm surprised that Sayid fell so easily for Ben's lie about who killed his wife. I didn't see any writing on that photograph that Ben showed him that proves his story. But, Sayid must have been feeling a lot of anger at that time. I would guess that Ben managed to keep him working for him with other lies.
I thought the interaction between Ben and Widmore was interesting. Widmore pretty much said he found the island first. I am also convinced that Widmore is probably unusually old and may have been involved with the sailing of the Black Rock in the late 1800s and the reason why it is on the island in the first place. Who knows, it's possible that the island keeps people from aging.
OK, those are my crazy thoughts.
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