There's been a huge discussion about this on NTSC-UK.
Personally, I now can't wait for the Revolution. A lot of ideas have come up and i'd love to see them being fulfilled.
How about using two sticks and playing Samba De Amigo?
Or having the analog stick plugged in for movement, the d-pad on the main controller as strafing, and the motion sensitive aspect being sword control in an FPS?
A revolution version of Metroid Prime was tested aswell, and it apparently worked wonderful.
DEMO: METROID PRIME-TIME
Nintendo saved the best for last. This was the first section of the GameCube game Metroid Prime 2: Echoes, retrofitted to be compatible with the Revolution controller and its analog add-on piece (the "Nunchaku" set-up mentioned earlier). As on the Cube the analog stick controls movement, but instead of holding down a button to look around, you simply point the other controller in the direction you want to aim.
IMPRESSIONS: At first, I was standing up and swinging my hand all around to aim - and my arms got really tired really quick. But once I sat down and relaxed, resting my hands on my legs as I would with a normal controller, everything clicked. It wasn't perfect yet - the Revolution controller functionality had just been added recently and wasn't bug tested or polished, so every so often the view would "spaz out" for a couple seconds - but it was enough to get me excited. As odd as it may look holding the two separate controller pieces, one in each hand, looking around felt incredibly natural, even more than my preferred PC-style keyboard-and-mouse setup. I have to wonder about precision and speed in multiplayer games, but for a more deliberate single-player game like Metroid Prime - and the series is already confirmed for an appearance on the Revolution - this setup already has huge potential.
It all boiled down to something along the lines of 'If you want your street fighter or your continued franchises of existing games, buy a PS3 or an Xbox 360, but if you're looking for a completely different way to play games then look into this'.
Virtua Tennis revolution, please.
or Osu Tatakae Ouendan, please.
or Pilot Wings, holding the controller like a toy plane and moving it to control the direction?
Something like Spikeout, aswell... Analog stick to move, jabbing the revolution controller in punching movements or something simular to that. This kind of thing would render the need to have shitloads of buttons completely obsolete.
Conventional games and their numerous uninspired sequels are starting to grate just a little bit. This is the first console that's truly, truly got me hyped in a long time now that i've seen this.