http://www.gamespot.com/articles/valve- ... 0-6417387/
I hope we eventually see another L4D, I'd even be ok with hats....reports to show slides of a Left 4 Dead 2 level rebuilt in Source Engine 2.0.
The map in question, the Plantation finale for the Swamp Fever campaign, shows a more detailed recreation of the map's ritzy architecture, as well as boosts to lighting, shadows, and foliage.