You could also spray baste the top to the batting as you go. Load as you described, sew the top to the batting as usual, then lift up the top and spray baste the area you are going to quilt. Crafty Gemini demonstrates how she uses basting spray in this video:
http://www.youtube.com/watch?v=tw3LqEi4_z0 but I think you have to skip to 7 minutes in or so before she gets to that part.