I stumbled on this video today. It's called "TurboGrafx 16 & TurboDuo Commercials," and I figured some of you might enjoy it.
http://youtu.be/y3699nku1eU
It was never aired in TV, but it is fun to hear the different "personas" that the narrator adopts for different games...1930's gangster for Riot Zone, generic Englishman for Dragon Slayer, etc.