With all due respect, rigging and modeling are skills that you can learn. If you arent happy with the incredible value in storytelling that Poser gives you, then move on to a higher powered application. MAX, Maya, Lightwave, XSI, and Cinema 4D are all extremely capable packages. Just be ready to wait a (long)while before you are creating characters, textures, and lighting that rivals Poser "Out of the Box". For value it cant be beat. And it comes down to this: If you have no story, then great renders wont mean a thing animation wise. I watched Final Fantasy:Advent Children. The animation is nothing short of amazing, but the story, is hollow. It is time for people to complain about their own limitations. I mean Poser cant improve itself, but you can.

BTW Robert's Interposer for Cinema 4D is superb.