Well you could get the empeg to play the sound of jet engines firing up/afterburners kicking in..... or for for impressing the more gullible friends how about "good morning boss, where do you want to go today...?
Actually i remember a post about the mech warrior ignition sequence, "weapons, online...(whirring noise),servos,online......(whining noise, clunk), ignition sequence starting..."
I guess it has only fun applications, but I am willing to be proved wrong.

PeterH
" 'tis better to be silent and thought a fool than to speak and remove all doubt"