I have the Bernina 440 QE also and it quilts beautifully with the BSR. My problem(s) are my Viking Mega-Quilter on the Grace frame is bird nesting all over the place and I am so frustrated I need to calm down before I try it again. Also I can't wind the the Bottom Line thread on the Berninia. Can anyone enlighten me about winding Bottom Line????? Thanks, in advance : :shock: