P10 -and especially Pro2014- are better equipped for making content.  It does add bullet physics, gamma correction, a much improved morph brush and grouping tool, and significant improvement in preview quality/speed.

http://poser.smithmicro.com/poser10-poserpro2014/

     On the other hand, P9 is $70 at Amazon, and has weight-mapping.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5