Found this site which lists a bunch of shops in MI. Not sure how recent it is ....
http://www.quiltvisionusa.com/MichiganQuiltShops.html
And on this page I saw the following that showed large selection of batiks on their advertising ....
http://www.milesofstitches.com/
http://www.quiltsnstuff.net/
of course it could even be one of the others and they just don't mention batiks.
And then there is this store which mentions 6000 bolts!!!
http://www.countrystitches.com/
Where are you at in Illinois??