We’ve got some sneak peeks already!
Sayid wants answers. (Don’t we all.) Dogen says something that ties in with something that we saw in SmokeyLocke’s cave. (I’m being vague here to avoid spoiling those who don’t want to be spoiled — although I don’t think this first clip is particularly spoiler-ish.)
In this second clip, we see Sideways Sayid! This is a very exciting clip! I’m not going to tell you any more in case you don’t want to know, because this clip has a BIG spoiler: