Yes, I had to have the bobbin case changed 6 months ago when I took it in for a tuneup. The machine hadn't been used for months so I took the bobbin case out to clean it and I guess I didn't get it back in quite right. The bobbin case was destroyed because the needle kept hitting it!
I've used the embroidery feature quite a lot. That was the whole reason I bought the machine. I use the machine to embroider the quilt labels that go on my finished quilts. Here's a sample of a quilt label: