Your basses are the stuff of dreams!
I'm a different sort of collector. I like to have one of each. That's why I sold my Goth to get the Pro V. I wouldn't play one knowing I have the other one. This is just like my motorcycle/car collection. One off-roader. One classic. One sportscar/bike. One daily... That sort of thing.
If you are curious, my collections are:
Basses. Thunderbird Pro V, 70s vibe Jazz bass, Squier Jaguar Bass. (I have other instruments, like Synths, Guitars, classical strings...)
Motorcycles: ´73 Honda CB350Four Cafe/Brat, Triumph Thruxton R, Royal Enfield Interceptor 650, BMW Urban G/S
Cars: ´75 Alfa Romeo Giulia Junior 1600, Volvo V90 CC, Land Rover Defender 110.
The first one in each list is the one I couldn't live without. Thunderbird, CB350F and the Alfa.