I have been getting my Lost fix lately by watching the Lost dvd extras on Youtube on the LostExtrasx channel, and today I found this one that I thought was clever. I had heard of how Darlton had the alternate scenes shot but I had never seen, I assume that most people have the season 4 dvd and have seen it, but nevertheless here it is.
Lost Season 4 Extra Alternate Ending - Who's In The Coffin