Engadget has posted a video of the first Windows Phone Series 7 (pre-production) device to be seen working and in action by the public. 

Some highlights:
- It is an LG phone with a physical slide out keyboard
- Just a little thicker than iPhone and Nexus One
- Physical buttons for the camera, volume and power
- Windows 7 buttons - home, back and search
- 5 megapixel camera with a flash
- Headphone jack

Here is Engadget's video showing the new LG Series 7 Windows Phone

Credits: Engadget

Here are some more videos of the Windows Phone Series 7 from a previous post