When I bought my first Janome, I asked if I could use C & C thread in it, and the dealer said I could. I was leery because my friend had a Viking and she had to use certain thread in hers. I have never had trouble with C&C thread and I know a prize-winning quilter who uses it in her masterpieces. She likes the little fuzzies on it to help fill in the quilting. I always buy mine when JoAnn's has their half price sale. The biggest problem I see is that it sometimes wears at the needle when hand stitching bindings, etc. Just have to remember to move the needle down every few stitches. I mainly hand quilt with C&C, too.