Here is an four page shootout at audioholics that has lowes vs cat 5 vs monster vs extension cord vs ...
http://www.audioholics.com/reviews/cable...cable%20faceoffThe extension cord beat out Monster. I remember reading this and another article about four years ago and went with Sound King based on the two articles. In the other article it suggested going with a cable that is oxygen free is important (which sound king is). Here is a link to this article that is long and technical.
http://www.audioholics.com/education/cables/the-truth-about-interconnects-and-cables- Nick