Best to to test each app ,they all have there quirks.

If I remember right 3Delight ,Firefly both used unity maps.

I've not messed with SuperFly ,Iray ,Cycles.

I prefer real time render engines.

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The Artist that will fight for decades to conquer their media.
Even if you never know their name ,your know their Art.
Dark Sphere Mage Vengeance