I may be missing something, but I don't expect the firefly renderer to do much different until you start using some of the new features (relfections, etc). It shouuld also do better on low-poly figures (using the micro-poly subdivision smoothing) than the P4 renderer. Along the same lines... I hadn't seen anyone try to combine/link material nodes yet... do we know if you have to use the firefly renderer when you do that? (it seems to me that you could add freckles, blemishes and other features in a second material, for example).

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