I find this funny for a couple of reasons. First, the only amps I have ever owned that flat out died were solid state amps. The most work I have ever had to put into a tube amp was a cap job on a 30 year old amp and even then the amp was working fine, I just thought 30 years with original caps, that is asking for failure. That was a whopping $60. I will gladly pay $60 every 30 years for a great sounding amp
Second, I remember a few posts from you about repairing your JC amps, something about caps on a noisy one, the reverb not working and there was one or 2 more.
But $5k is way too much for any amp. If you wanted a tube amp could buy a second hand Mesa Boogie for a grand or less and have an amazing clean tone, possibly a good dirt tone and years of a solid amp with nothing more than a tube change or 2.