Here is the Kickstarter http://www.kickstarter.com/projects/monochromellc/contagion?ref=category $15, pre-release access, plus a bunch of other digital download stuff. Also an in-game clip on flashlight. I did the $65.00 pledge, so if this happens, I'll give away my 3 extra keys.
It is slower paced than L4D, with more realistic zombie spawning... no more zombie-room-spawns out of no where. The game modes and game-play are looking great, but the graphics need a bit of polishing. Reading some of the Dev comments and Kickstarter, it seems they are going to be doing free updates and content in the future as well. This is abetter video:
It hit the Kickstarter goal. Join now to get the rewards. 10 days to go! They just added a contest for free CD keys. http://www.steamcontests.com/contagious-giveaway-40-winners/