Here’s a roundup of today’s news found elsewhere on the internet:

Sony launches GT5 Mercedes comp (Eurogamer) - Sony has just announced details of how to enter the competition included in the Signature Edition of Gran Turismo 5 to win a Mercedes-Benz SLS AMG.

As detailed on the PlayStation Blog, the first phase of the competition will be open from 27th December until 23.59pm on 31st January 2011.

Call of Duty Giant Suing Rival Over Modern Warfare Meltdown, Paints Uglier Picture (Kotaku) - The nasty lawsuits between Call of Duty publisher Activision and the ousted lead creators of that hit series got nastier today with accusations that the president of rival EA was instrumental in trying to "hijack" the Call of Duty developers.

And there's more mud being slung. Activision also says the makers of Modern Warfare gleefully sabotaged the sister studio behind this year's Call of Duty: Black Ops.

StarCraft 2 demo deployed by Blizzard (Joystiq) - The Starcraft 2 demo is now -- finally -- available for PC and Mac. The sample includes the first three campaign missions and doesn't require a Battle.net account.