Rangerz19 verse Nitro Z8

Hello all,
I need help with a decision. Been looking at a new z8. Have a 2006 rangerz19. Ask opinion of ride on z8 etc. anyone have experience with both? Comparing the two. Looking for honest opinions not just ranger or nitro lovers or haters. Our z19 is a rough and wet ride compared to others. Been an awesome boat but looking again and need true honest opinions and not sales talk!
Trying to decide to keep and put $ back in the z19 like add power jack plate, power pole and new trolling motor or go new boat because of age etc.
thanks for help,
swimjigboy