With the yule tide receding about as quickly as Christmas dinner leftovers are eaten, it'd be no good to hang onto this any longer...especially given my recent (lack of) performance.
I can't say I'm unhappy with the work I did do. I wanted to put a bit more emphasis on the difference between matte, glossy, and metallic surfaces. It's not 100% as perfect as I envisioned, but I'm getting somewhere.