The eighth expansion to Ultima Online, entitled "Stygian Abyss" will launc September 8th, 2009. The new expansion will introduce Gargoyles as a playable race, include several new areas, and allegedly one of the biggest dungeons to ever appear in Ultima Online.
The expansion will only be available digitally, and will run you $30 for the expansion alone, or $40 for the expansion with an included free month of game time.
The expansion is currently undergoing an open beta, which is available to all current subscribers. The beta test will run from August 14 through August 23, 2009.
For more information, check out the official Ultima Online: Stygian Abyss website here.