Hmm... Judging from my wife's preferences, it's JRPG's with cute Anime characters. :lol:
Occasionally multi-player co-op or party games work, too, but only if it's something that kind of puts everyone on the same level. From the Wii, we had an absolute blast playing 4 player New Super Mario Brothers one night. She'll occasionally play Mario Party with some friends, as well.
The only time I've seen her turn on my XBox 360 was yesterday after I showed her we can now watch NetFlix streaming through it.