The Verge has an interview with Tim Willits and John Caramack from ID Software where they revealed details of the upcoming release of Doom 3 BFG Edition.
Doom 3 BFG Edition will be the final say in Doom content to date. The package will include Doom, Doom 2, Doom 3, Doom 3: Resurrection of Evil and a brand-new, “lost” mission for Doom 3 with seven new levels, a new boss and two-to-three hours of content.
The graphics have been enhanced. 3D graphics support will be native. And the game will have a brand-new control scheme on Xbox 360 and PlayStation 3.
Apparently XBox 360 player will also be able to use both the flashlight and gun at the same time. Tweaks are also being made to the difficulty, save points, ammunition etc…