Here's a great little coupon for a FREE Signature Collection travel-size item (up to $5 value) with ANY purchase (exp. July 1st, 2009). Since "The Big Semi-Annual Sale" is going on now, you should be able to get something cheap! Be sure to check their clearance too for a great deal.
Also, take along this $10/$40 coupon (exp. June 21st, 2009)