As soon as anyone find out, we'll post the news everywhere including here. It's still in production right now (odds are very good that the scenes shown in the trailer are mostly made up of completed cutscenes) and LEC isn't Microsoft. They prefer to have a product either completed or in the last phases of completion before announcing pre-ordering info and/or release dates. I'm sure they have internal deadlines, but to announce a date to the public would prove disaster if some unforeen event (like having to close down the building for a day to chase down and remove a certain Kickstand webmaster from the air ducts) pushed the release date back.
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* The "works" is a beating so intense, you'll pray for death.