If there's already a catch-all for this one, I apologize. The forum search function wouldn't spit it up for me.
No official release date has been set for this, yet, but EA's E3 presentation is on the 14th and is expected to include a gameplay demo. Somehow, I managed to miss the reveal trailer that appeared in late April:
IGN decoded the trailer's encrypted messages and speculates on what they mean for the game's story.
Dead Space and Dead Space Extraction have been two of my favorite games this generation. I already have a copy of Dead Space 2 pre-ordered and paid for.