OMG it's so funny you would post this question! I have a thing for Hue microfiber socks. I don't like socks that have a lot of cotton in them because they sag! LOL. I found these socks by Hue about 10 years ago, and I buy 6 pr per year and only in black!
http://www.hue.com/socks/fashion-socks.htm
Let us know your favorite, too!