I've sent many of my quilts to a longarmer. She does a fantastic job. She doesn't use the computer program, she has pantographs. The only reason I am trying to learn to quilt my own is simply because I put enough money into the fabric and thread, I simply can't afford to longarm them all.
I do, however, recognize the longarmer's name on my labels. I put that it was pieced by me and quilted by my quilter. She did a good deal of work on my quilt, she deserves to be acknowledged. I don't feel it makes my quilt any less mine though. :)