Hereiare some links:
http://www.google.com/products?hl=en&rlz=1T4GGIC_enUS259US263&resnum=0&q=black+and+white+fat+quarter+bundles&um=1&ie=UTF-8&sa=X&oi=product_result_group&resnum=1&ct=title
http://www.quiltknit.com/fabrics/one_color_packs.htm
http://www.pieceworkcompany.com/ashowfab.asp?prod=302004