Yeah, I click every button, rotate every stick, check the monitor for burn-in, and check how sturdy the CP is attached on just about every cabinet I approach. This all started after I got interested in MAME and bought Project Arcade last year.
I should probably stop, but it's not like it's illegal (or even immoral) to molest an arcade machine.
So fess up, do you prod, poke, grope, and gaze?