Fashion Fabrics club is having a good sale on a huge variety of linen colors:
http://www.fashionfabricsclub.com/catalog_items.aspx?TypId=503&Seed=395&FilterAmount=8.45&FilterType=PriceEqual
Normally, I get linen either at the Joann's with a 40 or 50% off coupon or at the Fabrics Store.
