Amazon is offering Underworld: The Legacy Collection (Underworld / Underworld: Evolution / Underworld: Rise of the Lycans / Underworld: Awakening) [Blu-ray] for $31.68 plus FREE shipping with Amazon Prime and no sales tax in most states. You save a total of 58% off retail. This is the best price we could find currently. Expires 10/12.

Note: You may have to look to the far right-hand of the Amazon page to view this deal directly from Amazon.