Just tossing this out.
I hope the discussion may help someone decide how to approach their first Mame. The discussion has to do with (of all things) building your own arcade controls.
When you finally decided to Mame a cab, how do/did you decide on the control panel layout. Do you want a series of cabs, each custom to certain types of games. For example, cab 1 might have two joysticks and two buttons per joystick and this cab would only house a few games. Cab 2 might have a spinner and buttons, Cab 3 might have trackballs, etc.
Or do you only go with one cab with a series of control panels that can be removed and replaced to fit the game you are playing.
Or do you go with the mega 4 player, every possible combination, 4 joystick, 800 buttons, three trackballs, 2 spinners, steeringwheels, bridge of the Enterprise design.

As a college professor - you will need to explain your answer to get full credit.
Was your decision made by space limitations? Money / Cost? Your spouse? Your favorite game? Was your decision made by the angle of the panel (is there a standard?) If you could do it over, what would you change? Pictures and Diagrams of your control panel(s) are encouraged and may be worth extra credit.
Please focus your comments to why your way is best and try to limit the comments on why another way is stupid. I am genuinely interested in how people decided on their layouts.