As fighting games have gotten more modernized, 14 button controllers became more useful. They’re essentially 12 button controllers with two extra buttons.
Keybox Arcade strikes back with a timely release, the Keybox Impact, that has extra buttons for L3 and R3 functionality.
The elegant Punk Workshop Leverless M has a size that is comparable to that of a tablet device, but that is only one of its many features...
ASI hit a homerun with this highly customizable case that can also be ordered preassembled. A WASD edition is available too.
Ultra Arcade's Standard series is a reasonable entry point into its customizable controllers, and there are Pro & Lite editions available.
Revolution Sticks makes unique fightsticks ranging from a guitar-looking fightstick to a simpler yet still flashy fightstick: the REV14.