At What Age Does An Audiophile Buy His Last Amp?

.
I am 60 years old. I have bought and sold audio equipment for years while trying out gear to get the perfect blend for my system. At 60, I think I may have one more shot at a major overhaul of my system. Whatever gear I have after this next overhaul is the gear I will ride into the sunset. Geez, I hope I'm not 75 still trying to squeeze that last 3% of sonic excellence out of an equipment upgrade purchase.

I think I'm going to have to draw the line at 65.
.