The one thing exciting me most when I saw the advertising for the Wii, was the ability to play FPS with the nunchuck+Wiiremote.
That was a revelation for me and probably the highest selling point for the Wii.
As much as I loved playing GE on the N64 with analog controls, I'll be damned if I'd go back and use the CC for the Wii version , especially since the pointer controls are so highly customizable in this game !