I find that my internals tend to rattle against the glass a bit, not that I have any fancy branded ones. The quietest filter I've had would have to be my Aquaclear50 HOB filter, just so long as the water level is right up against the lip.
HTH.
I had two Dwarfs in a 54L medium-heavy planted tank with a Plakat. They got along well for about a month, then it all turned sour and only 1 DP remained. They are cute, small and vicious
I think the company has a right to do what they're doing, they're doing nothing illegal. I'm fine with Greenpeace protesting but they shouldn't be stopping the work all together.