patrick_y[PuristSPro Moderator]
33601
The 20 year old bottle is going to be very good.
But getting that 20 year old is going to cost about the same as a 15 year old bottle of similar quality in Bordeaux, and then you simply have a stalemate.
If you have the space at home to cellar multiple cases; I just recommend that you keep a small supply of wine for yourself. I'm fortunate that I buy more than what I can consume!