if you find one, pls post it. i've been reading thru the reviews of aquarium pumps and all i've discerned is that different people have a wiiiiide range of what they think quiet is.
i'm an audio engineer, and to me, 'quiet' is not the same as 'i can hear my tv over it' or 'it just hums a little', it means q-u-i-e-t.