Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5)
Black. Tried a white iPhone 4 for a few weeks and while I loved the fact that it showed no finger prints, it showed too many imperfections, dirt and just looked plasticy overall.
Definitely getting a black iPhone 5.