Buy.com offers the Fantom GreenDrive 2TB eSATA / USB 2.0 External Hard Drive, model no. GD2000EU32, for $79.99 with free shipping. That’s $0.04/GB, $10 under our July mention, and the lowest total price we could find by $17. This “green” drive claims to draw 40% less power than conventional drives. Features include an eSATA interface, 32MB cache, and more.