Looks like we're not the only ones enjoying all those Kinect hacks being dreamed up and implemented by hardworking enthusiasts the world o'er. That's right: it was rumored early this year, and now it's been confirmed -- Microsoft will be releasing the Kinect for Windows SDK. According to Microsoft, "It will be available this spring as a free download, and will give academic researchers and enthusiasts access to key pieces of the Kinect system-such as the audio technology, system application programming interfaces and direct co