Famitsu has an interesting ad as part of its "We Support Xbox 360" campaign. The games mentioned are Magnacarta 2, Bayonetta, Dream C Club, Time Leap, Memories Of 6: Next Relation, Tayutama: Kiss on my Deity and Gears of War 2. Quite a different selection from the games we'd likely see recommended in any other region.
As Siliconera points out, half the games on the list are visual novels -- the site can't decide if that's "a good sign since it shows niche Japanese developers are taking an interest in the Xbox 360," or a bad sign because there was nothing else for Famitsu to recommend. Somebody order more JRPGs like Eternal Sonata, Infinite Undiscovery, Star Ocean and Tales of Vesperia!