I like the P3
I just recently got a P3 exotic with a 30" Z2 shaft (actually a christmas present from my wife). Prior to this I was playing a 20 year old Muecci with a 29" Z2 shaft. I really like the P3 - it just seems more "true" than my old muecci did. I seems to provide a more solid feel which I tend to like because I feel more confident with a solid feel. When I go back to my old Muecci/Z2 it feels more "loose" if you can understand that. I really like the 30" shaft - I was afraid it would be more whippy than the 29" Z2, but on the P3 it seems more solid like I said above.
So overall - I would recommend the P3 - if you don't mind spending $850.