A neighbor died last year and she was a quilter. Her DH asked me if I wanted her quilt books. He brought over several boxes of them and one box was full of Amazing Designs cds. I don't have an embroidery machine so don't know anything about these. There are many Martha Pullen design cds too. Will the cds work for all embroidery machine? She had a Viking and Bernina. Are they useful to embroiders now? Some packages have never been opened. Are they worthwhile for a machine embroiderer to want?