yeah SDK will be badass :D can't wait !!! the 2 new campaigns are, I think the 2 missing ones in the versus mode, I'm curious however about the survival mode :D
... and don't forget take a 3D glasses 'cause L4D is also in 3D. http://www.l4dmods.com/index.php?option=com_content&view=article&id=68:left-4-dead-now-in-3d&catid=2:news
First: Over the past several years, anytime anyone has brought up the idea of a Polycount game mod...nothing happens. It'll amount to 5+ pages of ideas, and no execution. Second: It's possible to mod L4D now. Valve "releasing" the SDK, just means they're going to set it up for you so it's easy to do. As the "custom" SDKs…