Go to a Spesh dealer and get their assometer on. Beg borrow and steal time on friend’s saddles.
Most comfortable seats for me so far have been discontinued (various older Specialized Body Geometry models, notably Indie XC and Sonoma). Now the BG range have been redesigned and have much wider, flatter noses for some reason, which don’t suit me.
Other seats I’ve enjoyed (but less so)
Bel Air
Gobi XM
Ancient worn-in (not by me) Brooks B-17 on a friend’s old bike. Like a cossetting hammock of wonder.
Note: I had previously tried a new one but hated it, it remained rock solid and shiny even after 6 months of 22 miles per day commuting and some touring