More Official Oblivion Plug-ins in Development

According to an article on Xbox.com, Bethesda Softworks has "six or seven" more plug-ins for The Elder Scrolls IV: Oblivion currently in development. The next installment, called "Thieves Den", will be released in two weeks:
In the downloadable mission, which will be released in two weeks, you battle for control of a massive cave, complete with a haunting pirate ship. Once you conquer the lair, it forever belongs to your character.

You can start a band of pirates. You can plunder. And you can decorate your captain's chamber with furniture.