Well it's exciting to finally get something, tight-lipped bastards
.
I'm jacked to learn about the different types of Aliens, as long as it doesn't get ridiculous and turn into Left 4 Dead - Bug Hunt Mode.
Edit - LMFAO - From gamespot preview:
Quotethe old buddy armored-head big alien smash down the walls Kool-Aid man style and darted for the first player. The bug grabbed the soldier and devoured him into its gapping maw.
Prepare for battle.