Reports are emerging of playable X-Box 360 Kioks appearing at Wal-Marts around the US. The consoles apparently contain demos of Call of Duty 2, Kameo: Elements of Power, and King Kong, as well as looping videos of other games.
Joystiq.com has started a list of confirmed Wal-Marts that have the kiosks.
News source: Joystiq
News source: X-Box Circle