User blog comment:Jimeee/Hearthfire confirmed as the latest add-on. Official trailer./@comment-67.142.166.27-20120830230035/@comment-82.243.194.53-20120831085643

I'm pretty sure Microsoft offered absolutely nothing. The delay is due to the fact that the 360 is the main system on which they're developing. Once the DLC is over, they port it. But obviously something went wrong during the PS3 port (hint: they suck)