Good topic. I first heard about this when they said they did the Jango armor plates this way. I always wondered if you mixed it in or not. I'll have to try it out.
when I got it it was pretty dull, and I had also modded it. I used some scouring powder and then followed up with some Brasso to polish the patterns on the front. it's still kinda dull on the textured surfaces, but the patterns are kinda shiny.