Controller is great, and I rarely say that about freshly unveiled stuff from Nintendo - but the Revolution will die a rapid, painful death if it doesn't implement everything it has and impress us undoubtedly -
a) The controller is a revolution in gaming - but it must be utilized properly. If used properly with top-notch software, exploring its potential, no one can deny its fun factor.
b) Graphics must be presentable. We are too far into the "game" of gaming to take a step back graphically by sacrificing visual technology; the graphical power must rival that of the other two competitors or mainstream players won't even look. "So what if we have a tilt sensor controller if the graphics are just slightly improved over GameCube's"?
c) Software has to impress. Without quality games and software from first, second and third parties, the Revolution cannot succeed - Dreamcast being a good example of this. If games can be ported onto Revolution from other consoles with ease, Nintendo may have an advantage.
d) Advertise the damn thing well. I was impressed by the quality of the demo clip, but it has to keep up the more mature approach. Gaming is growing up like the rest of us!
Any further thoughts?