Here are the games that I am currently the most interested in:
Timeshift – TimeShift is a futuristic, sci-fi shooter from Atari and developer Saber Interactive.
Prey – Prey is a first-person shooter in which players take on the role of a character who must fight against multiple alien races
Gears of War – Gears of War is a tactical sci-fi shooter from Epic Games
Too Human – Too Human is a sci-fi action adventure from developer, Silicon Knights.
Mass Effect – BioWare is working on a new sci-fi action RPG exclusive to the Xbox 360.
WarDevil – WarDevil lets you play as a beast on a quest find truth in a barren and futuristic world.
Splinter Cell 4 – The Splinter Cell stealth action series returns for a fourth go-around in Splinter Cell 4.
Alan Wake – Alan Wake is a psychological thriller set in the American Northwest.
Metronome – Metronome is a third-person adventure game set in a large, industrial city where you must use sound to solve various puzzles.
Return to Castle Wolfenstein – id software is executive producing a next gen Wolfenstein game.
Max Payne 3 – The gritty and action-packed Max Payne series returns for a third iteration.
Resident Evil 5 – Capcom continues the Resident Evil franchise on the next generation platforms.
And yes, its just by chance that they are all xbox 360 titles.