Deus Ex: Human Revolution will release in Feb 2011 - Steam
Square Enix Deus Ex: Human Revolution will be coming out in February 2010. This release detail for the game was reveal by Steam. The game page on Steam read Feb 2011 as release detail for PC version.
There is no official confirmation from Square Enix, however previously they made they announcement that the game will be out early 2011 on PS3, Xbox 360 and PC version of the game.