Since that child hair's are allowed in the exporter, you can make scenes like these..
Other important improvement are Subsurface Scattering material. Maybe is not the best approach or the more fast, but looks well now.
More test with SubSurface Scattering material…
I am making some test for adding more nodes to the exporter. In this case, Light nodes:
I try to improve the Blend material interface panels. The first step: create an operator for sync the selected blend component, with the material slot.
[pick to image for look the video]
Test with new 'child particles' feature..