Some might be interested in two different kinds of products.
First up, Credo Courses is offering 50% off of a course by Craig Blomberg on "The Historical Reliability of the Gospels." You can purchase DVDs, audio, and workbooks all at 50%-off. You can check it out here but the sale ends tomorrow.
Second, the Conversational Koine Insitute is offering a number of Greek-themed t-shirts for sell here.