I have one with stitch regulator and I love it. I've had it for several years and have used it every couple months. I've done many lap size quilts and a queen size quilt with it. The quilting "window" is about 7" x 9" so you do have to keep adjusting the quilt as you move along, but I find it gives me much better control when moving the quilt around the quilting design. I also think the stitch regulator is helpful to me. Altho, lately, mine hasn't been working correctly. I think one of the sensors is going bad.