I say Go for it! I'm 59 and recently gave in to the siren call of another liter-class supersport, one I've admired from near and far for years - a BMW R1100S. Back issues compelled me to at least put bar backs on it, but otherwise I'm lovin' it.
"Horsepower is like dick size; there is no such thing as "too much". Granted, you may never use all that you've got, but it sure feels good knowing that you've got it in your pocket, available to whip it out and use it anytime you want to. Or need to, even if just to win a bet ..."