Arduino 0023 driver question

What driver should I use to install a Atmega 1280 16AU USB board? Thanks

Arduino 23?

For this board?
http://arduino.cc/en/Main/ArduinoBoardMega

Has FTDI chip, drivers here
http://www.ftdichip.com/FTDrivers.htm

http://www.arduino.cc/en/Main/software 0023