Amazon's current Blu-ray Boxed Set of the Week is for
The Die Hard Collection (comprised of
Die Hard,
Die Hard 2: Die Harder,
Die Hard with a Vengeance and
Live Free or Die Hard) for only $32.99 (59% off MSRP, or just over $8 per movie). The price tracker shows that this is the lowest this compilation has been. This offer is valid through September 11.
Thanks to forum member "Nightman04."