If you are in the US and get PBS there is a documentary on called Videogame Revoultion. It is on right now on the east coast (half over but will be on again later) and should be on around 10:00 p.m. on the west.
Just got done watching it. I thought it was kind of lame. I wanted more console history, and less about video game violence, and online games and how they rule some people's lives.