Buy.com via eBay offers the Western Digital 2TB My Passport Ultra Portable USB 3.0 External Hard Drive in Black, model no. WDBMWV0020BBK-NESN, for $79.99 with free shipping. That's tied with our mention from three weeks ago and the lowest total price we could find by $10. It features password protection, cloud backup, and hardware encryption. Deal ends March 9.
Update: Amazon now charges the same price.