Seagate 1.5TB 7200RPM 32MB Cache SATA Hard Drive for $82.99 shipped after applying coupon code HNP1LLLS?ZKS48. Here is a screenshot for your reference. Note that it comes in OEM packaging, which means no pretty retail box and marketing materials but is otherwise identical. It usually goes for about $129.
This deal has expired (again). Congratulations to those who were able to get in on it.