Looks like Midway are pulling out all the stops to try and get 360 users to buy UT III.
http://www.videogamer.com/news/19-04-2008-8080.html
Speaking to VideoGamer.com at the game's official unveiling in Las Vegas this week, Rein said that because Epic has spent more time on the 360 version compared with the PS3 version of the game it had benefited from more optimisation, and said that gamers "can draw your own conclusions from that".
The 360 version of UT3 features two-player split-screen support across all modes except online ranked, to prevent cheating. It also contains three brand new maps, two re-imagined maps and two new characters, as well as all the DLC from the PS3 and PC versions.
http://www.oxm.co.uk/article.php?id=3893
Talking to OXM at the Midway Gamers Day in Las Vegas, Epic president Mark Rein confirmed that the best mods will be available to players of the Xbox 360 version of Unreal Tournament 3, although details are still being worked out. "We know some of these great mods are going to play a role on Xbox 360, even if we have to get some people and bring them over ourselves," he said. "We'll figure it out."
http://www.videogamer.com/news/19-04-2008-8078.html
"The game (Gears 2) is spectacularly good," he told VideoGamer.com. "I'm not committing to any features. In the mean time, buy UT3. There might be a surprise in UT3 that's Gears related. Just saying. In the 360 version. You'll have to buy the game and find out."
