Associate Producer of Epic, Tanya Jessen, chatted up Shacknews at the recent Midway Gamers Day event in Las Vegas. She shed some light on how user modifications will work on the 360 version of Unreal Tournament 3 and mentioned a few bits on Gears of War 2.
Microsoft, as far as I know, is very interested in the potential of the mod community. So it is a possibility always, but it would require some upfront process and things set up by Microsoft for how they would do it.The interview spans three massive pages and includes discussions on Half-Life 2, cake, the history of Unreal, and LAN parties.
They're very concerned about the security of the hardware. They would want to make sure that whatever was put out on their platform would meet all of the requirements that they have.
We're looking forward to being able to bring mods eventually, but there's a lot of business decisions that need to be made.