Ending today, Buy.com via Rakuten Shopping offers the Fantom GreenDrive3 2TB USB 3.0 External Hard Drive, model no. GD2000U3A, for $99.99. This $20 mail-in rebate cuts it to $79.99. With free shipping, that's $0.04/GB, $20 under our February mention, and the lowest total price we could find by $20. It features a 64MB buffer and 2GB of free cloud backup for six months.