Personally I want to keep the rug look on them. I don't think I will use any cream on them, as least for a few years. The coffee chromepak is totally matte. No matter how hard you brush them, they won't shine at all.
2. Some may think I am crazy, but I found that at the early stage of break-in, the thicker socks I wore, the more painful my feet were. It was because the heel drop was even more severe in thick socks. YMMV.