QUICK LOST THEORY AFTER PONDERING THE SEASON FINALE

About the references in the newspaper article Jack was holding in the finale and the Dark Tower Series by Stephen King. (WARNING: IF YOU HAVEN'T READ THE DARK TOWER AND PLAN TO- PLEASE STOP READING- SPOILER ALERT!)
The very first shot in the first Season of Lost was of Jack's eye. Judging from the sudden "leap forward" in the timeline as well as the various references to altering timelines- is it possible the writers have just tipped their hats as to the final ending of the show?
In the Dark Tower Series, Roland goes through the entire adventure only to get flipped back to the beginning of the first book after it is revealed he cannot "win" the Tower without a horn that he actually lost before the narrative begins. The story of the Dark Tower is the story of Roland trying to improve/avoid/fix the mistakes of his past attempt and move closer to the goal of finally truly saving the Dark Tower. It is directly implied that Roland has been through the loop of the story told in the books several times and we, the readers, are only getting a single iteration. For instance, as the "reboot" occurs at the end of the last book, Roland's newest lifetime finds him in possession of the horn (the assumption being that he'd leared enough to come one step closer to a final resolution to his story).
I think Lost might be working on a simlilar track. Thus, it may turn out that Jack (or Kate- or really any of the characters) are trying to set the right combination of factors in motion so that everything "works out" in a way that prevents them all from looping back and starting over again? (In the Dark Tower, as in Lost, neither Roland, nor our Losties are aware this is what they are doing)
Will the last shot of Lost be the same as the first shot?
A close up of Jack's eye?