Not long after it's release the depth camera on Microsoft's new game console has been hacked, with an open source driver being available for Linux.
It's a similar situation to the early days of webcams. When the Connectix Quickcam was first released around 1996 there was no open source driver or API available, and people also wanted to try using it for robotics.
It would be good to have someone do an all round test of one of these cameras under different lighting conditions and in different environments, to see what kind of limitations exist. How well it copes with natural lighting is one of the main concerns.
But even if you don't care about robotics there are also other more traditional applications for depth cameras. In a video conferencing scenario - the typical use case for a webcam - you could have not just a flat image but a 3D model of the users being displayed, and if you tie this in with face detection to estimate head pose then you could have a situation where it really appears that the screen is a window through which you're looking at the other person in quite a natural way.
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