Controllers that have LED support usually have lights that can shine around their buttons or through their sides as well.
The Panzer Slab's unique 15 button split layout features Hall effect switches with customizable actuation points.
The Sharp Analog Fightstick is a large metal Smash fightstick—with a Hall effect analog joystick that has 360° control—plus Sanwa buttons.
The R10-Pro is an arcade stick with a trackball and spinner. You can also buy the R9 with just a spinner and the R10 with just a trackball.
The X-Move is a sequel to Haute42's modular controller that was nominated for an Evo award, and you can move some of its modules sideways.
The Rushbox Click has the most insane layout yet, and it could be the first 22 button leverless controller.
In its outrageous layout, the KBHX-01 MAX+ has 18 keys—most notably including four spacebars with enough surface area for comfy thumb presses.
The STK-T01 is a wireless arcade stick that has 11 main buttons, including a macro button that you can press with your thumb.
You can buy the Sando in leverless or WASD format, and its uncommon GEON switches have a customizable actuation point.