Thank you all for all your excellent advice as usual, my next quilt will be going to our Middle daughter who now lives in Bulgaria, very cold winters there. I want to switch to using Polyester batting after reading all reviews but will the Poly batting be warm enough for them or should I try a cotton or wool batting? It is also important to be as to how far apart the quilting can be on the cotton or poly vs. the 80/20 I was using?