Ok, I've been looking at alternative input devices for a while, trying to find something that wouldn't set off my arm and back (damaged in a car accident many years ago), and I can see the benefit in a lot of them, but haven't found any that I'm ready to get... But this one (or two, I guess) posted on Gizmodo this morning, is just plain silly.
It's two mouse. One for the left hand for clicking, and one for the right for moving the pointer. And since you only "click" with the palm, instead of your fingers, it's supposed to prevent Repetetive Strain Injury. But, for crying out loud, I already have a problem with the fact that I have to move my right hand about six inches every time I reach for the mouse (to get over the number pad), now I'd have to move both of them to move the mouse. Ugh... And don't even think about gaming with it.... Someday, someone will build a better mouse, but I don't think this is it.