I go to several different Joann's and the fabric mix is different in each one. Some have lots of the less expensive fabrics (a range of quality within this category) and others seem to cater to those who can/will spend more.
Seems to me like we just have to be aware of the "feel" we're looking for no matter which place we shop...and sometimes I'm more interested in the color match than in the fabric being 'the best' there is.