I'm really busy with work so haven't got a lot of time.
I've partly come to realise that some of the issues I've encountered using VSS PR3 and IDL with outdoor setups have been related to placement of lights in conjunction with the EnvSphere (or IBL) that produced very dark shadowing in the recesses of models (armpits, eye sockets etc). I had used shader GC (rather than Tone mapping) to rectify this which seemed to work for outdoor scenes, but had adverse effects under low lighting. This is because (as bb has pointed out many times) the shader GC causes the PR3 skin to react much more with the diffuse bounce-light of IDL.
Hopefully I can come back later to illustrate with a few renders to show exactly what I was encountering and why the shader GC 'seemed' to work. I think it might serve as a good example as to some of the pitfalls of the new IDL lighting.

 

PoserPro2014(Sr4), Win7 x64, display units set to inches.

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