For the first couple of years when i had the AES system i use to use the joystick but when i got my neo cd i used the joypads on that and when i sold my neogeo cd i decided to give away one of the joysticks instead of one of my joypad as i had got more used to it.
and when i got my supergun i still had that joypad so i could use that on the board itself and its stiull as tight as anything in control, unlike the stick which i found occasionally use to get stuck and some of the specials would not work unless i gave it a good ramming.
only thing that is harder i find on the joypad than they joystick is the 2 button pushes for a hard slice on games like shodown as the buttons on the joystick were ALOT bigger and moee receptive so there were less mistakes.
so to answer your question i use a joypad even though its not always the best thing to use, but it doesnt take up much space either
