Octane. Invest time in the learning curve (lighting, materials), and money in nVidia hardware. Note: within a few weeks (I hope) Octane 2.0 will be issued, plus a renewed Poser plugin. It's worth the wait, to avoid eventual extra costs.

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though