Skyrim is now officially set to receive it's first DLC. Not much is known at this point other than the title, the single picture that was released and the fact that it abide by Microsoft's exclusive rights clause.
The Elder Scrolls V: Skyrim will add its first wave of downloadable content this summer, Bethesda confirmed this afternoon.
Dawnguard will launch first on the Xbox 360, and will remain exclusive to that platform for 30 days. After that time has elapsed, it will spread to additional platforms.