Hitachi Travelstar 7K320 2.5″ 320GB SATA Hard Drive for $56.98 Shipped

Hitachi Travelstar 7K320 2.5″ 320GB SATA Hard Drive for $49.99 after this $20 rebate plus $6.99 shipping, making the total $56.98 shipped.  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.  Most places sell it for over $75.