"Amazingly cat like"

I used to have a car with a fair bit of power. One friend used to say that driving it was like "trying to ride a mountain lion". That came into my mind the other day while looking at a four wheeler. I'm sure it's been done, but I can't remember seeing a rideable robot cat...conceptrobots.blogspot.com probably has 10 of them tucked away somewhere, but here is my quick idea for one.