If you have time, you can google and find out. ^_^
I found the gamasutra.com article above using google too.
I think you should be able to find a depth camera video feed also.
EDIT:
Here's an outdated article that mentions 48 joints and dual 640x480 cameras:
http://electronics.howstuffworks.com/microsoft-kinect.htm/printable
It is possible that the GameStop page is also outdated.
I found the gamasutra.com article above using google too.
I think you should be able to find a depth camera video feed also.
EDIT:
Here's an outdated article that mentions 48 joints and dual 640x480 cameras:
http://electronics.howstuffworks.com/microsoft-kinect.htm/printable
It is possible that the GameStop page is also outdated.