User blog comment:Jimeee/Hearthfire confirmed as the latest add-on. Official trailer./@comment-5160816-20120829213822/@comment-5190971-20120829224133

Bethesda always does this.

DLC No.1:

Offers a new storyline and some items.

DLC No.2:

Offers New Items and mecanics.

DLC No.3:

The first 'Real DLC'