I've been using P6 for over a week now, almost finished a complete comic project by now (25 scenes in total) and Poser 6 hasn't crashed on me once! Hopefully the gfx card drivers will fix your problems!

Artwork and 3DToons items, create the perfect place for you toon and other figures!

http://www.renderosity.com/mod/bcs/index.php?vendor=23722

Due to the childish TOS changes, I'm not allowed to link to my other products outside of Rendo anymore :(

Food for thought.....
https://www.youtube.com/watch?v=pYZw0dfLmLk