Because there are so many great fighting games to play on the PC, you really need to check out the fightsticks that are compatible with it.
This is a budget controller that is available in many variations and is a decent option if you would like to try leverless controllers.
The Fighting Stick seems to be a sort of prototype for other Hori fightsticks such as the Fighting Stick Mini and the Fighting Stick Mini 4.
Ipega has graced the fighting game community with a mini fightstick, the Ipega-9136, that is even smaller than the standard mini fightstick, and it does a great job at this novel type of product.
The Martial 5in1 Arcade Fight Stick is yet another white-label arcade stick, but it may capture your interest regardless.
The F500 Elite brings you the same goodness you may have derived from the vanilla edition, but Sanwa parts are included with full force.
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.