Poser Pro can access all  you memory when rendering if used on a 64bit system and Poser 9 is limited in memory use. That for some people is reason enough to stick to the Pro version.

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