Wireless isn't such a terribly flawed and scary idea for gamers in some instances, I recently bought microsoft's sidewinder X8 wireless gaming mouse, and never will I endure a dying battery in the middle of a raid, near head shot experience or anything of the likes, since it warns me HOURS before that it must be charged, and charging is as simple as magnetically attaching a temporary cord, then yoinking it off in a couple of hours at most for a full charge. Best of all, the cord is wrapped around inside the receiver itself which also holds the other 2 sets of feet, so it's never in the way.
I think an amazing idea for common mice would be to mix both concepts, the X8 with another which has this nano receiver, have the receiver about double the size, which would total a mere 1/4 a centimeter more at most, which splits in half and has some form of loose wire string out and clip to the mouse for a recharge. There would have to be some form of spring action to rewind the cable back perfectly in place but not pull on the mouse while stretched, but im sure someone can come up with something.