The platform that an arcade controller works on may be a lead factor in your decision regarding whether or not to buy that controller.
The F500 Elite brings you the same goodness you may have derived from the vanilla edition, but Sanwa parts are included with full force.
Ash Huang presents this controller that is available in leverless, WASD, fightstick, and custom formats with custom art as well.
This is an all-keys controller with keys that are straight instead of being slanted, but you can also request different layouts.
Fightstick Guy offers a few premium fightsticks, one of which is this M. Bison edition that has golden Sanwa parts.
Brook is best known for providing printed circuit boards, so this fightstick that was once limited edition was a surprise to see.
This fightstick is sturdy and well rounded, but it will likely deter modders that form a good portion of the fighting game community.
This Valley Arcade fightstick can be used as a standalone PC controller if you are not looking to play retro games with it.
Revolution Sticks makes unique fightsticks ranging from a guitar-looking fightstick to a simpler yet still flashy fightstick: the REV14.