Amanda, I’m very sorry to hear of your loss. I’m sure you and your family are facing a difficult project of clearing out...
As mentioned previously, Longarm University is a site I frequented when I was considering a longarm purchase. I have to say that I love my Q24 and hope that the value of your mom’s machine will hold well with the Bernina name. There is also a Bernina Q Series Facebook Group that you might reach out to.