I was reading a old issue of Next Generation magazine, and it was talking about the Sega Neptune. The Neptune was a Genesis with a 32X built in, all in one unit.
At the time, the thought was that it would compete with the Jaguar, and hold Sega's customers over, until the Saturn was more affordable.
I don't think that it ever was released, but I'm not sure about that.
Does anybody know what ever happened to the Neptune?