I purchased this one:
http://www.autoanything.com/driving-...3A3735457.aspx
I have had it since December and am very happy with it. It has two sides, one to use in the summer which is reflective to take heat away from the car and the other side is almost black to help attract the sun in the winter. It comes in a very nice leather case (which you never really use unless you are storing it for a long time). The fitment is very very good and it is a quality product. I would recommend.
Good luck!