Another option is to go on the internet to "spec." out the car you want. When I was ready to order the SS, my brother went online and built the car as I wanted. (I can find the site out from him)
About a week later I received a letter from a dealer, showing sticker, and invoice pricing. This particular dealer wrote
"-$500.00" off invoice! I took this to a few other dealers to see if I could get a better deal, which I did not. So, I went to the dealer who offered me this deal, ordered the SS, and waited a very long 6 weeks for my car. I was well worth it though.