Nefarious Neddie has some interesting tidbits about the next X-MEN movie and at least two movies centering on the signature X-Man himself, Wolverine.
As a pure geek, I'm pretty jazzed to hear all of the details that Matt offers: the "Dark Phoenix" storyline from The Uncanny X-Men is one of the greatest comics storylines of the last twenty-five years, and to see it well-done on film is a very exciting prospect indeed. (I just hope they don't muck it up by doing what Marvel did eight years later and negate the whole thing by resurrecting Jean Grey.)
The Wolverine movies are even more interesting to me, actually. First, there's the idea that the first one would outline Wolverine's origin story, which I never learned, having stopped reading comics before it was revealed. (If it even was revealed; I'm pretty sure that Chris Claremont, the writer of the X-Men titles back then, was intentionally keeping Logan's past as vague as possible.) And if the second tells much the same story that the great Frank Miller-illustrated Wolverine graphic novel told, that will be truly exciting -- especially if the filmmakers really embrace the story's Japanese martial-arts setting and make a movie in the vein of Japanese action films of the present day.
(Although I hope they wouldn't end it with Logan getting stood up at the altar again, as he was the first time he stood up to wed Lady Mariko.)