The Virtuix Omni website shows off a prototype of the Virtuix Omni, which adds fancy footwork to the virtual reality gaming experience with an "omni treadmill" to track player movement. Their videos page has clips showing this being used with Crysis Warhead and Skyrim as well as for exercise, and here's a trailer noted by HotHardware (thanks Ant via Slashdot), showing it being used in conjunction with an Oculus Rift headset to play Team Fortress 2, demonstrating how it tracks player movement and orientation for some next-level holodeck style gameplay. Word is they are in the process of preparing a Kickstarter campaign to develop this for production. Here's more:

The Omni is the first omni treadmill that is affordable for household consumers, fits in a living room, and above all, enables the user to walk freely and naturally in virtual environments.

Applications of omni-directional movement in virtual reality stretch far beyond gaming: training and simulation, fitness and exercising, virtual tourism, virtual tradeshows and events, virtual meet-ups and multi-person adventures, virtual workplaces, virtual museums, physical therapy, VR architecture, VR concerts, etc. The possibilities are limitless. Virtual reality is the future.