Well- YOU and ME Both, Esther!  I've been whinning, pleading, screaming about this to E-on for a couple of years- at LEAST, but they seem to have a real TIN EAR for following through on TOON and NPR rendering features...

However- at least ONE interesting alternative will exist- Vue 6 is supposed to be able to read in the ENTIRE Poser 6 Shader Tree- MEANING- Olivier's TOON Materials for Poser 6 "could" be loaded into VUE 6 from a Pz3 or Pzz scene file...