BuyDig via eBay offers the Western Digital 2TB My Passport Ultra Portable USB 3.0 External Hard Drive in Black, model no. WDBMWV0020BBK-NESN, for $94.99 with free shipping ($0.05/GB). That's the lowest total price we could find by $20, although we saw it for $5 less last week. It features password protection, cloud backup, and hardware encryption.
From shoes to cookware, if you're willing to pay a little more for these awesome products, you may never have to shop for another again.