Valve: We're not PS3 developers, might bring Left 4 Dead to PS3

Valve's Doug Lombardi was recently asked why Left 4 Dead (PC/Xbox 360) was not coming to the PS3. Lombardi replied saying "We're not PS3 developers - we're doing PC and 360 like with Orange Box. EA came to us and said 'Wow, Orange box was an incredible project, can we do a PS3 version?'" Lombardi went on to say that if Left 4 Dead is big then "we may see a PS3 version later, or if and when we do a sequel, people may be more interested in that."