Mass Effect 2 for the PlayStation 3 goes on sale in stores on January 18th in North America, and will also be available in downloadable form through the PlayStation Network in North America on January 18th.
http://blog.us.playstation.com/2011/01/12/mass-effect-2-ps3-hits-psn-and-blu-ray-on-january-18th-more-than-a-simple-port/
WHOA. Even though the port is a year after the other versions, to see it come to PSN simultaneously is kinda neat.