Quote - Observe the specular effect of the entire environment sphere. Nicely convolved. This render took 8 seconds. I'm sure if I learned to adjust rendering quality I could make it look better.

Try reading the drat tooltip next time. That feature has got nothing to do with specular convolution, it's just your basic soft reflections that you can do in every app. It's fast because kerky is a pure raytracer and rips through reflections. You're just proving my point: