Gears of War for Windows coming out November 6th
 

The game will feature five new singleplayer chapters, a new "King of the Hill" multiplayer game mode, three new multiplayer maps, a game editor, and the first and last showdown with the infamous Brumak boss. Also included will be all of the Xbox 360 downloadable content released thus far, for a total of 19 multiplayer maps.

http://www.shacknews.com/onearticle.x/49288