IGN Wire has written a brief blurb on the "Gamebryo Graphics Showcased in Trials of Atlantis", below is an excerpt from the report to read the rest click here:

Trials of Atlantis brings many graphic upgrades to the Dark Age of Camelot series and provides players with the ability to realistically experience the underwater area of the Atlantis civilization. With the updated Gamebryo engine and toolkit, Mythic's development team has improved all landscapes in Dark Age of Camelot, further enhanced ground texturing with more realistic trees and vegetation, and created a visually advanced underwater environment.