Equipment
I'm sure someone's curious, so might as well.
Keyboard: Filco Majestouch Ninja w/ Reds + full layout
Keybinds
left/right: arrow keys
hard drop: space
clockwise rotate: up arrow if SRS (guideline games), X otherwise (NES, TGM, etc)
counterclockwise rotate: Z
hold: shift
180 rotate: C
soft drop: down arrow
sonic drop in KoS: S
retry: either ctrl, F, R, F2, F4, or esc depending on the game, my mood, the weather, and the phase of the moon