There are a zillion tube comparisons/reviews online, where you can get an idea of what your ears MIGHT agree with, but only your ears should be the judge.
Gold Lion reissues are a popular new tube. Higher priced than other new tubes.
"Sublime, super wide sound stage, dripping golden. Midrange…. Vocals… acoustics… jaw dropping…"
Get season tickets to the Philharmonic in your city, or go to more concerts.
Dump your setup, start from scratch with a dedicated room and extra $50K+ for "budget" audiophool gear.