A couple of things I noticed from 'Confirmed Dead'...
When Hurley mentions where the shack is, both Locke and Ben exchange a look which (to me, at least) says, 'How the hell does he know about the shack?!' I think this adds credence to the theory that 'The Face' that looks out at Hurley in 'The Beginning Of The End' is not Locke's.
The other thing was twice in this episode, when asked about the number of people in the helicopter, the answer given was 'Four, including me.' Pretty much word for word, if memory serves. The first was Dan, the second Charlotte. Seems like the only reason this would be driven home to us, would be to put us off the scent. In this case, the scent being that maybe more than four were on the herlicopter?
Just my two cents.
"I handed in the new RJ novel with the
working title, BY THE SWORD. David says the sales force loved the title at the
pre Turkey-Day sales meeting, so that's what it will be. That means Paul Ramplin
gets a credit line in the acknowledgments."