Anyone been keeping up with Steams published apps (not games) just saw this one

iPi Mocap Studio 2

Motion Capture for the Masses Note: Free trial is fully functional for 30 days after installation. iPi Motion Capture™ is a scalable markerless motion capture software tool that supports 1 or 2 Kinect/Xtion cameras or 3 to 6 Sony PlayStation Eye cameras to track 3D human body motions and produce 3D animation.
I stopped playing around with 3d animation years ago because i always thought this tech was out of my ...hmm

iPi Motion Capture™ Free Trial works with off-the-shelf equipment:

1 or 2 Kinect / Xtion depth sensors or
3 or 4 Sony PS Eye cameras
Runs on regular PC with gaming class videocard
Fully-functional within 30 days from installation, after that all functions will be available except animation export