Ok, I immediately took to buying fabric on the quilty web. Here are some of my favorites - in alphabetical order cuz they're all as wonderful as the next. (Note: shipping info is on U.S. orders)
Crafter's Vision - free shipping starts at $30!
Fat Quarter Shop - Free shipping starts at $200 orders, $60 or less ships for $4.95
Form and Fabric - $2.99 flat rate shipping on all orders
Intrepid Thread - Up to 2 yards is first class rate, 3-9 yards ships for $5.60
Missouri Star Quilt Company - Daily Deal posted at midnight CST daily. Free shipping for orders $100 and up, $5 flat rate for less.
Pink Chalk - Free shipping starts at $200 orders, 2.25 - 7 yards ships for $5.60