Buy.com used to have a good price on them. You might want to check there and also pricegrabber.com.

As I recall, there was also free shipping from buy.com. That can save you a few more $$$$ considering the price of fuel.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV