For those who missed it, here's a compilation of known things:
-game is a TPS, an action game, with guns
-X360/PS3 release confirmed
-will use HAVOK physics engine
-heavy use of environmental effects and physics simulations
-they're looking for an animator with experience in "crowd animation". I'm thinking next-gen ganados V2
(job listing)
-most probable time to expect new info: month of April. Last year tango gameworks held their "Tango Night" on 22/4.
For the multiplayer:
job listing 1,
job listing 2 . "Experience in network programming in real-time game" and "Communication skills in development work in multiplayer"
I'm thinking ... COOP.
Update:
Job listings have been magically removed as of 28/03. You can still verify them on the tango website.