Stumbleupon is a marvelous resource. You can recommend sites and see sites recommended by others. And all with only one click if you use the stumbleupon tool bar.
dewdrop, I don't have much time at the moment to do that for you but I'll tell you how to do it: just open an excel file, and put one address per line, then select the whole column where you typed the URLs, and go to the menu "data" > sort.