I've made several large quilts using this method:
http://lifeisbeautifulbom.wordpress....u-go-tutorial/
I made a queen and a king bedspread and the overhang (borders) were quilted separate from the bed surface area, then joined by this method. It made working with the quilt a lot easier on my regular sewing machine. The downside is hand-sewing the sash on the back (it can be done by machine). A real plus to using this method is the sashing is a great guide for making the bed.