Well, today I chopped in the Pawn Shop Mustang against a used American Special Jazz Bass.
Now, I'm no Jazz man, but the neck was just...wonderful. So now it adorns my favourite P-Bass, and the black-blocks-and-binding J neck from that goes on the P-J.
So now I have two near-perfect (for me) Precisions, and one American Special Jazz with a Mexican Precision neck!
Pics to follow soon!