If money, time, distance and storage space was no impediment...
Sadowsky NYC vintage J in 4- and 5-string varieties
1978 Fender P or J bass (birth year bass)
Music Man StingRay
Rickenbacker 4003
Ampeg SVT (not sure exactly which model but one of the all-tube ones heavier than a black hole)
Barefaced One10, second Two10 and Four10
...and a house with a space large and soundproof enough to store and use all of the above without teeing off the family or the neighbours.