I don't get the Kinect, so far what i've seen it looks like it does a similar job to the eye toy - except instead of showing an image of you it creates a 3d model. The only games it might be decent on is ones like those found on the Wii, i can't see it being much use in hardcore games like Halo, Gears of War, Call of Duty, Forza, Final Fantasy, etc.
Also why all of a sudden does everyone want a controller-less interface? Initially when the PS3 came out and they didn't have the dualshock controller all the 360 fans were having a go at the sixaxis because of the lack or vibration, now you're not going to get any sort of feedback with the Kinect.
For true realism you need feedback/resistance, it emerses you more into the game. Honestly i see it as a huge waste of money, and sales isn't going to change my mind about it - actual usage time would change my mind.
Like i said the games it will be used most with are Wii-like ones, i assume they majority of people who own a Wii and either or both PS3 and 360 find themselves using the PS3/360 more often than the Wii, this will be the same - you might buy the Kinect but chances are you'll still use a normal controller for your gaming needs more.
