Me too...I am constantly searching for...
J O Y S T I C K N I R V A N A ! ! !
...so I am always tinkering and experimenting with control panel designs.
I have 2 shelves full of hacked PC and console joysticks, trackball mice, wires, parts, junk, etc...
all my control panels are MDF mock-ups, my 1-1/8" hole saw and my drillpress are my best friends...