http://www.joystiq.com/2011/01/18/portal-2-on-ps3-features-cross-platform-chat-multiplayer-and-a/
Uh, hell yeah! Free copy on Steam with purchase, Steam integration, multiplayer with PC? Fuck yes.
Valve's announced that the PS3 version of Portal 2 will be quite chummy with its PC and Mac cousins come April 20, revealing full cross-platform compatibility: PS3 users can chat with Steam users, play multiplayer with them and even partake in cloud-based storage. The disparity between the PS3 and PC/Mac versions appears to be about non-existent now.
Additionally, those who pick up the PS3 game are ensured a free voucher for the Steam Play version of the game, should they link their PSN and Steam accounts. "We hope to expand upon the foundation being laid in Portal 2 with more Steam features and functionality in DLC and future content releases," said Valve's Gabe Newell.
Uh, hell yeah! Free copy on Steam with purchase, Steam integration, multiplayer with PC? Fuck yes.