I love walmart's fabric. It is such a convenient and low priced place to get good fabric. I have gotten some white on white that was mostly fabric starch, but they gave me credit for the money I had spent since the fabric wasn't good quality. They still have the quilt of the month that comes in and their terrific flannel sale in November/December. I hope they never close the fabric department in Brigham City. This department is a huge moneymaker for the store. Usually 3-4 customers shopping and waiting to be cut.
I love all the brands you mentioned. My favorite sight is to see all the fabrics sorted by color, all in a row on their big wall.