Get one of each!!! I will say that my Super PJ has essentially ruined me for not just all other basses but almost any other Sadowsky as well. I have two other build specs that I’m going to take to the NYC shop a few weeks after NAMM to start on my next build, but I find myself reworking them to include another Super PJ set in.
4 vs 5 is a tough call! I was a 4-string guy for 12 years before making the jump into a 5-string (an old Carvin LB75 at that time) and now I can’t imagine playing ANY 4-string, not even a Sadowsky, unless at such a high-profile gig that I couldn’t say no to and which stipulated such (I’m thinking a national touring act, not my town’s top cover band). I will say that there’s definitely a cool “old school” vibe when playing 4’s and I still own a couple of 4-string Fenders, but for every show I play I’m taking my Sadowsky 5’s out or in rare instances my Warwick Star Bass 5 as the low B has become essential to my playing style and comfort.
By the way, has anyone ever figured out the plural to multiple Sadowsky basses?! Sadowskys, Sadowskies, Sadowski...?