What I don't like about the Mar-K test is the Behr paint. They only tried black paint from Behr. I have used Behr paints and prefer not to. If I was going to cover my wood with black paint, I would use Kelly Moore or some other professional quality house paint. I am really happy with the Watco Oil that I have on my bed, unlike paint, I can put more on without worrying about it peeling, or scratching.
Chris