If the gel shots work, then this makes sense. My knee was in such bad shape that, as my doctor put it, "You could wait fifteen years, but what will your quality of life be during those fifteen years?"

I'm having the second knee done this year because I've hit my out-of-pocket for the year, and I don't know what my insurance is going to be like in the next couple of years (my former employer is "improving" things out of all recognition). So I'm getting it done now while I can afford it. The money angle trumps the medical. Again.