i thread baste, too - nothing shifts. I quilt starting in the middle and work my way out, then bind after I've finished quilting. Cut the binding and the backing several inches wider and longer than the top. I use the Susan Schmacher method...I can never spell her name right.....Let me find it..
ETA: here is the link....
http://www.youtube.com/watch?v=bhwNylePFAA