I haven't done any SID and I'm planning to on a quilt I'm piecing now. I have a couple of questions--when you SID do you use the same cotton thread as you do with piecing or nylon (I think that's what it is) thread? When you SID does the quilt still have the appearance of being quilted or not? I usually send mine out to be quilted with a meandering stitch, but like a lot of people I simply can't afford to have it done right now.