Other Controllers

Rock Band Drums

Manufacturer: Harmonix
Comments: Works as a standard joystick in Windows with Microsoft Xbox 360 controller driver.
Buy: Amazon | Amazon 2

Mini DDR Dance Controller (PlayStation)

Manufacturer: ???
Comments: This controller is incompatible with most USB adapters, but is known to work with the Super Dual Box.
User Report: This controller works with EMS USB2 and Trio Linker Plus. It does not work with some other brands of USB adapters.
Buy:

Para Para Paradise controller for PlayStation 2 (USB)

Manufacturer: Konami
Comments: Recognized by StepMania 4.
Buy: Play-Asia | Play-Asia (used) |

Guitar Hero SG guitar (PlayStation)

Manufacturer: RedOctane
Comments: Whammy bar doesn't work with many USB adapters.
Buy: RedOctane | FutureMax |

Panther guitar (PlayStation)

Manufacturer: Hais
Comments:
Buy:

Crazy Drum King Controller (PlayStation)

Manufacturer: Hais
Comments: One user reports that this works with the Boom PS Joy Convertor. Another user reports that this doesn't work with the Super Dual Box.
Buy:

Rave-Discman (PlayStation)

Manufacturer: ???
Comments: Tried with several USB adatpers and it didn't work with any.
Buy:

BeatMania IIDX controller

Manufacturer: Konami
Comments: Works with an EMS USB2. Make sure you have the latest drivers or your turntable won't map correctly.
Buy: Play-Asia |

Xbox 360 wired controller

Manufacturer: Microsoft
Comments: Works as a standard joystick in Windows with Microsoft driver.
Buy: Play-Asia |