Valve released the details of their Left 4 Dead 2 pre-order offer earlier today.  Their offer, to those of you willing to fork over your hard earned cash in advance:  early demo access (woo…), a baseball bat with an American flag skin (yay…), and a 10% discount on the purchase price (that’s better).

These offers will be offered through Steam or through participating retailers starting immediately.  Early demo access begins October 27 (tentatively) and the game launches on the PC and Xbox 360 on November 17th.