Bethesda finally announced that the Knights of the Nine faction will be available for PC and XBox 360 users. Previously it was known that the faction would be in the Playstation 3 version of the game but it was unknown whether or not the faction would be available for the current platforms. It will be available via download (OblivionDownloads.com and the Live Marketplace) and as a boxed product from stores on the 21st of November. The boxed version will come with all the previous official mods released to this date.
Read the full press release here.