Shesews, I had a grace frame and a megaquilter. So not a big fancy set up but I do prefer my sweet sixteen sit down. it left room for a really great sewing room setup instead of eating up half the room and I find I enjoy the sit down quilting more. All freemotion and ruler work though. If you like panto's you would miss that option.
There is no getting around the basting though- glue it, pin it or stitch it, it has to be done.
I also wanted to say that the sweet sixteen has been great fun for embellishing with the couching feet and for freemotion embroidery. So not just quilting.