I do some personal work in MacOS 9 on a MacBook Pismo and use the standard Platinum sounds at a low sound level. I personally find the little click and chirp so

I do some personal work in MacOS 9 on a MacBook Pismo and use the standard Platinum sounds at a low sound level. I personally find the little click and chirp soundtrack quite useful as audio feedback. Though if I were to do this in the office, for the sake of my personal safety, I think I would wear headphones!