Both have some way to go. But so far? Move. It's a piece of gaming tech, made for games. It seems far more versatile. Its lineup has the typical casual stuff, but also core stuff. And it can support voice, and things like headtracking, which are IMO the potentially coolest part of Kinect. GT5 is being demoed at E3 right now with head tracking on the ps eye, and it's great.
Kinect sounds like cool technology, but I think it's being misapplied to games. Despite its advances it seems to have all the same fundamental limitations in terms of the type of game you can make with it, as Eyetoy had. There's just only so much you can do when you take away buttons and precision/speed. 30hz is too slow a refresh rate. The lag looks bad. Impressions suggest it's unreliable, and can feel loose and floaty/imprecise. Apparently it doesn't even work when the player is sitting in furniture. I think its limitations are already reflected in the lineup, which has the same few types of game showing up over and over again. It really seems like MS jumped head first into this without thinking ahead too much.