Nintendo game developers Ken'ichiro Ashida and Shigeru Miyamoto talk about how the Wii was developed. "The consensus was that power isn't everything for a console. Too many powerful consoles can't coexist. It's like having only ferocious dinosaurs. They might fight and hasten their own extinction."
kottke.org posts about shigerumiyamoto
Interview with Nintendo game designer Shigeru Miyamoto, creator of Super Mario Bros, Zelda, etc.