Microsoft just released a set of MVP interviews on Kinect Microsoft Video Showcase

Kinect for Windows enables voice and gesture controlled presentation Josh Blake	Multimedia interactive digital signage using Kinect for Windows Dr. Neil Roodyn	Interactive Kinect for Windows-based product carousel engages shoppers Tim Huckaby	Kinect for Windows facilitates social networking with a fist bump Vincent Guigui
Interactive Kinect for Windows applications attract, engage, and educate customers  András Velvárt	Kinect for Windows-based games engage students and make learning fun David Renton	Kinect for Windows-based application lets shoppers interact with fashion Fabrice Barbin

Here are some:

Ki-Networking: Use Kinect to facilitate social networking with a fist bump
Vincent Guigui of OCTO Technology, demonstrates how Kinect for Windows is used to add digital information on top of a real life interaction, such a exchanging contact information at a conference with a physical fist bump.

Beaumanoir: Kinect for Windows-based application lets shoppers interact with fashion in new ways
Fabrice Barbin founder & CEO Synergiz, demonstrates how their Kinect for Windows applications, Virtual Dressing Room and Interactive Shop Window, promote the product and trademarks, and provide users with a unique and unforgettable experience, which encourages product purchase.