Adorama offers the 7.8-oz. Buffalo MiniStation Stealth 1TB Portable USB 2.0 External Hard Drive, model no. HD-PCT1TU2/BK, for $69.95 with free shipping ($0.07/GB). (Amazon charges pennies more, but it's temporarily out of stock.) That's $10 under last month's mention and the lowest total price we could find by $9. This portable hard drive is USB powered; it doesn't require an external adapter.