Get full enjoyment of your PC games by wirelessly connecting your Xbox controller  to your PC with an Xbox 360 PC wireless controller gaming receiver in light blue  from Geartaker.com.  The device is on sale for $9.99, bumped down from $13.17.  Some of the features include:

-Works with current and future Xbox devices
-2.4 Gigahertz (GHz) wireless technology to operate a wireless device up to 30 feet away.
-Players can use up to four wireless controllers and headsets at a time with one receiver
-Includes a 5.67ft / 1.7m USB cable

Oh, AND there's free worldwide shipping. Scoooore.

Geartaker.com