It sounds as though it behaves like my La Santa Maria regarding noise and vibration, pretty much none at all. I only buy new machines when I need one (I'm far too tight to be a machine junky) but it's going to be another HM machine when I do. I have 3 and use them every day so can't recommend them enough.
I wonder if these have a slight "dampening" like the Santa Maria because I can't fault that machine.