Have you checked out E.L.F. Cosmetics ? They have amazing deals on cosmetics and cosmetic supplies. Even if you wear a certain type of make up, they have great deals on brushes and other supplies that you may not need to be as brand loyal.
Today you can score $35 worth of E.L.F. Cosmetics for $15 . Take a look around their site and see if there are some stocking stuffers!