User blog comment:Jimeee/Hearthfire confirmed as the latest add-on. Official trailer./@comment-108.46.155.40-20120828185734/@comment-5206984-20120828201045

While it take a lot of time to release dawnguard on PS3 its most likely not entirely the fault of Bethesda, Sony certification process can take more than a week, so they keep working while waiting.

P.s. also cost a lot...