I dont do much electrical work, so the cap crimpers would be unnecessary to me. As for the black oxide, it does look very nice! I have heard some stories where the black oxide coating rubs off and turns your hands black though. From searching around, it looks like Amazon has the cheapest prices. I also found this video, if it helps (and you haven't already seen it
http://www.youtube.com/watch?v=J6IfJyIomyA)