Im sorry but this has nothing to do with anything, but is your signature based on a song by 'The Dubliners' if it is :foodndrink:
Yep. Black velvet band. Craic ceol agus ol.
OT : They might have a small team working on ideas for Fallout 4 now and then, but Skyrim DLC is going to be the priority for a while. Saying FO4 for 2012 is ridiculous. Though it is possible they would do FO4 as a swan song for the Xbox, why let the Creation Engine go to waste?