The subject suggested a split between creating and rendering. But only a single program could be selected. For me that caused a bit of a problem. Currently I am using Poser Pro most for creating (with some support programs for modeling, mapping and painting) but using Vue 7 Infinite for final creation, lighting, landscaping and rendering (to get a consistent quality I use this for all renders). Only the lack of dynamic cloth made Vue win over Carrara.
With every new version of the set of programs I reconsider my options so the current preference might change when a new version comes out. As a hobby and only creating 3D graphics for personal enjoyment I just can't afford the more expensive programs (which give a slightly better result with a somewhat reduced effort).