Now here's where I go most of the time. I go to the glow box type of lighting, i.e. I use 3D objects or I use distant things on my EnvSphere, such as sky+clouds, or maybe even indoors I have HDRI windows or lamps on the EnvSphere image.

In such cases, with zero lights in the scene, your carefully crafted specular nodes DO ABSOLUTELY NOTHING. Utter waste of time.

In this image, the Reflect node is doing it all.

I still include Blinn in my shaders, because I already worked out how to set them long ago, and it's nothing for me to have them set up every time because I use matmatic.

If I was assembling high-quality shaders by hand, I'd just skip the specular nodes altogether.

Look at the reflected shape of the glowbox. No Poser light (which has no dimension) will ever produce that shape.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)