For a complete list of all Arduino boards, check out this page. If you have one of these older versions, you'll want to use the FDTI drivers as well. The Arduino Diecimila and Duemilanove main boards along with the original Arduino Mega all use the FT232RL IC.
There are also some legacy Arduino boards that use the FT232RL.
Here is a list of some SparkFun products that require the use of an FTDI Basic, come with an FTDI Basic, or have an FT232RL chip on board:
