PS3 owners have waited patiently for their chance at saving the galaxy with Commander Shepard and they will get their shot in January, but EA are also preparing a demo for release on PSN that will hit the service on December 22. A month before the game is out, and in time for the holiday festivities.
Mass Effect 2 ranks among the best games of 2011 so if you haven't experienced it yet you owe to yourself to check it out...