No, they shouldn't. Poser was great until they started messing with it and allow it to depend on external non-related applications. If that is what rebuilding seems to be (and it looks like it) then I say, no.

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