Next time you pick a fight with an elderly gentleman, check to see whether he's upgraded his lower-leg to one of Ossur's Power Knees. Yes, the world's first motor-driven knee has now gone on sale.
One Olympic swimmer has a D-cup breast size. From a physiological standpoint, she's at a disadvantage to a swimmer who's an A-cup. If she amputated her breasts to become more streamlined, would we consider her crazy, or worse, a cheater?
I think technology has evolved enough to let us be earnest about the fact that a consumer of a prosthetic is the same consumer buying an iPod or glasses or a couch for their house. You want options.