Well SR3 is a big leap forward. However, I have seen a handful of posters claiming that SR3 changed something important for them, so they stay with SR2. Each must make their own choices, but SR3 is rock solid super stable. It is also the very first version of Poser where light-based AO works perfectly, no artifacts.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)