Well with 4.0.1 now live and all the craziness bouncing about with all the new options, glyphs going for 200g a pop, and target dummies crowded to the point where you feel like testing is more like a test of patience trying to target the dumb thing instead of seeing what your DPS is.  I decided that how best to address the new patch was to make an image illustrating how the new Reforging system works:

See, it’s surprisingly simple.