The Dragon Age: Origins Website has word on new Golems of Amgarrak DLC for the RPG that BioWare plans to release on August 10, though they add this will not be available as a separate download for the Mac version. They offer a screenshot, and the following description.

Delve deep underground to save a missing dwarven expedition in search of ancient secrets for creating monstrous constructs. Only you can uncover the gruesome fate that befell them.

Put your Warden back in action and adventure through new environments, meet new characters and defeat never before seen creatures. With an engrossing new storyline and challenging puzzles this is one add-on you don't want to miss!

• Import your character from Origins or Awakening or create a new, high-level hero!
• Face an all-new terrifying creature
• Earn powerful rewards that transfer into your Awakening and Origins campaign
• An advanced challenge for even the most experienced adventurers