I got a "simple" serger for Christmas and swear I am going to settle down and learn to use it. I know for making things of knit fabric, you can stabilize the raw edges and get a finished look -- I am hoping it will not roll so much as without serging. I have seen gorgeous table runners made on a serger, using a flat surface stitch kinda randomly (a "modern" design) and a fancy, shiny thread. Some people use only a serger to make things. . .do take a couple of classes and see what sparks your interest. Baby Lock machines are top notch and expensive, so give it a try!