A Digital Dreamer writes that although Microsoft might want to make a big song and dance about their $50m investment in downloadable content for the 360 version of Grand Theft Auto, you’ll not find any retailers pushing the fact. Why would they – they won’t be getting a cut of the DLC cash, so why bother promoting it? Chances are the PS3 version will be a fiver more expensive over here anyway so they’ll end up shoving that one to the front of the store…