These are a few interesting websites where you can learn more about machine quilting and products available.

Always Quilting	Australian supplier of Aurifil threads, books, notions with some great articles on machine quilting.
Australian Patchwork Directory	Directory of quilt shops & businesses
Constantine Quilts	Australian supplier of DVD's, books, patterns, rulers for machine quilting. Free videos to view on using rulers/templates are also available!
Creative Quilting Services	Australian supplier of threads, spare parts for Gammills, needles and more!
Fabric Patch	Moda fabric supplier
House of Hanson	Useful stuff about buying machines but US based.
Lorien Quilting	Australian designer of continuous quilting designs
Oz Quilts	Supplier of tools, books, DVDs etc
Quilting About.com	Everything you need to know about quilts
Quilters TV	Quilting videos free
Sharon Schamber Network	video clips - how to
The Quilt Show	Online TV show run by Ricky Tims & Alex Anderson
The Thread Studio	Supplies to create your art quilts
You Tube	Try typing "quilting" in the search box then choose from the many "How To" video clips to watch