I have a turbo sit down cab that I mamed. I have the original 360 steering wheel with an oscar mouse hack, a super sprint pedal (pot based) with the microsoft dual strike hack on it. I am not going to use a brake pedal for now. I have a four speed gear shifter on the way. Now I was wondering besides the player start button and the credit button, what other buttons do I need or should I say how many? I am talking about buttons such as turbo, sirens, weapons, or whatever I may need. I have mame games, n64 roms, and computer games such as need for speeds and indy racing.