Oblivion Shivering Isles Pics FAQ

Is it just for PC, or for Xbox 360 too?
Shivering Isles will be available for both Windows and Xbox 360. The Windows version will only be available in stores. The Xbox 360 version will be available for download via Xbox Live. A retail version is not possible for the 360 at this time. Both versions will be released simultaneously, worldwide.

Kotaku