And both these ladies quilt on Domestic Home Machines, and have done award winning, drop-dead amazing quilts.
Diane also has a great blog - worth going back and reading all her earlier posts:
http://dianegaudynski.blogspot.com/
And in this blog, 365 Days of Machine Quilting, Leah has been posting a different design (almost) every day. Great for practicing on scrap quilt sandwiches. Way less intimidating than confronting a queen-size quilt.
http://freemotionquilting.blogspot.com/