Here is a
driver for OS X that supports wired and wireless Xbox 360 compatible controllers. It should work on 32 or 64-bit Leopard, Snow Leopard, or Lion. Install it, reboot your system, and you'll have a shiny new control panel that lets you test out the controllers, plus Supermodel will automagically find them. (Use -config-inputs to set things up the first time).
Wireless controllers require the "Wireless Gaming Receiver for Windows" which is a small USB dongle. Wired X360 pads plug right in and work great. Set up the two lower shoulders as brake and gas in Scud Race and it's all good
