Poser 8 exports Collada, but I see no import capability. Poser Pro does import Collada. For those who have Poser Pro, it can bridge to Poser 8. There would be no need to convert for export, just save as a PZ3, or prop, character, whatever, and open in Poser 8.

lmk

Probably edited for spelling, grammer, punctuation, or typos.