I primed it with Krylon Fusion satin finish white, then mixed up a light wash of a medium grey to settle in the crack details. I then painted on the blue of the forearms, and the red and gold detailing. I even broke out the TINY brushes, and painted his eyes red. Then I went back with lighter shades of the blue and red as a drybrush to pick out details (though I think I went with TOO light a shade of the blue).
End result (forgive my crappy camera, only a couple of the pics came out decent):





