Quote - But what exactly does your staement mean to me with just Poser5?

 

here. http://en.wikipedia.org/wiki/Poser#Program_history compare Poser 5 onwards. this does not include simple bugfixes, just major updates and feature addons.

so. in answer, your using a Dinosaur that had issues anyway and is known as the worst version of poser. it has been superceeded in many core features. to give an example. glass shaders in poser 7 take days to render in poser 8. and that was just 1 version change. you want to use a version thats 9 years old and 4 revisions ago. you may get shaders that run just fine upto say poser 7... then be broken for poser 8.

*just so your warned about the frustration you'll probably going to run into....