SurplusComputers.com has the Logitech Precision Cordless Controller (Brown Box) for the Xbox for a low $24.99 with free shipping.
Experience the freedom to play anywhere you want and eliminate cable clutter in your living room. The Logitech Cordless Precision Controller delivers the performance, convenience, and comfort you've been looking for. It's engineered to be small and light, yet it still uses Logitech's highly reliable 2.4 GHz radio frequency technology to deliver precise control with no lag.
http://www.surpluscomputers.com/store/main.aspx?p=ItemDetail&item=ACC10856
Experience the freedom to play anywhere you want and eliminate cable clutter in your living room. The Logitech Cordless Precision Controller delivers the performance, convenience, and comfort you've been looking for. It's engineered to be small and light, yet it still uses Logitech's highly reliable 2.4 GHz radio frequency technology to deliver precise control with no lag.
http://www.surpluscomputers.com/store/main.aspx?p=ItemDetail&item=ACC10856