Amazon has the Xbox 360 Wireless Controller for $27.54 with free shipping. The price is good on Black or white.
Product Features
Color: Black
30-foot wireless range
Integrated 2.4GHz high-performance wireless technology
Ergonomic design enables maximum comfort and endless gameplay
Left and right shoulder buttons
Two Analog pressure-point triggers, two vibration feedback motors, eight-way directional pad are included
Amazon.com: Xbox 360 Wireless Controller: Video Games