Like that there's nothing on my desk --you should see the area under my monitor, it's like a junky drawer-- but kinects mounted on my monitors wouldn't be my first choice either, but if you were to add some object recognition and 3D scanning features I might change my mind.
Pick up the brush -> starts photoshop. Pick up my camera -> start photo import tools. Pick up my Project A folder (marked with a sticker, think evernote) -> opens all relevant files for project A, etc etc.
Is anyone developing a wristband/glove gyro-thingamajig yet? Seems so much simpler to me. Bluetooth, a gyro, and you're halfway. No issues with "range" etc.