FabricCadabra. They currently have all of their sale fabric marked down 40%! There are some crazy good deals on some amazing fabrics.
FabricCadabra and find your favorite fabric in the shop. Then click back over here and leave me a comment letting me know what that favorite fabric is. The giveaway and the sale will run October 26th-November 2nd. (Domestic shipping will be covered and $6.50 of shipping will be covered for an international winner.)