They're very different basses. Different look, different pickups, different tonality, different neck. Which do you prefer? The original '51 PBass style or the "new improved" style that came to market in '57. And I use "new improved" euphemistically.
CV Jazz Bass/Wilde J45s, Matt Freeman PBass/Wilde P46, GK MB112 combo, tc electronic BG250 Combo.