Though NEC was first, The TurboDuo wasn't the only system with a good idea. Several years after the failure of the over priced TurboExpress, Sega introduced a portable Genesis that didn't make a huge splash, but did further the common idea that portables can compliment, rather than compete with their console bigger brother. Sega's Nomad, used Sega's Genesis/Mega Drive games, and featured a high quality, backlit" screen. It also worked as a stand alone Genesis, since you could hook it directly via a snazzy RF Unit. And Sega also helped us out with the battery consumption ... seeing the only downside of this system, Sega, in a usual gamer friendly fashion, remedies the six hour (six battery) time span, and let us use our Genesis 2 AC cables. And there is even a second control port. Sega didn't distribute the Nomad with much respect for success. And since it played Genesis games, it cannot qualify as a failed system. In this era of making portable systems smaller, I wouldn't mind more portable systems that let me play other old systems. How about one that allows me to play NES games, or Super NES games, or ...