The one without TA is dark and "cold"... which may be fine for certain things. I think it's definitely worth it to use TA in this case. Did you add "grain" to the first image in post, or is that some kind of artifacting as a result of using the TA? "nice renders both of them 2 min for each frame wow you are rubing it in there he ? ;)" Hehe... well, if Bryce 6 gets photon mapping and some speed enhancements, it should be able to do the same thing (fairly quick GI calcs). Something to possibly look forward to. ;-)

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.