Xbox 360 controller on the PC

Microsoft added a nice feature to the Xbox 360 controllers, making them compatible with PCs. Of course in true M$ fashion, they botched the drivers. Using the standard drivers, the analog triggers don't work like they should. Instead, they function like simple digital buttons. Luckily, there is a group working on better drivers which include analog trigger support and deadzone configuration. If you're interested, find more info here.