Legend11 on 19 February 2008
The March issue of OXM has a feature on Left 4 Dead in which they state: "EXCLUSIVE: The PC and 360 versions of Left 4 Dead will ship simultaneously, but there will be no PS3 edition". Considering they visited Valve and were shown a level from the 360 version of the game their claim is pretty much a confirmation. Among the things mentioned about the game are that the PC and 360 versions will have a simultaneous release and that the graphics for the 360 version will be up to the PC's standards.
Source: http://www.left4dead411.com/news/2008/02/l4d-xbox-360-revealed
