what is the best way to make a button for a metal pad

[Jopo]

i have looked at both of these tutoirals

http://www.digitaltorque.com/mydancepad/
(this guy has weather stripping between a piece of sheet metal behind the plexiglass and little mending brackets, 2 for each side of button, on each side of the button is one bracket with voltage from controll, and the bracket beside it is the bround, and when the metal touches it in creats the signal)

and

http://www.angelfire.com/d20/ddrhomepad/

(this guy just has two pieces of sheetmetal with weatherstripping in between, one piece is ground, the other is voltage, when they touch, they make the signal)


whitch one of these methods is better?

how thick should the plexiglass be?

and what kind of weather stripping should i use?

[VxJasonxV]

Please don't cross post your questions. I see that you posted this in the home made metal pad thread as well, please leave it there. Thank you.
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