Buy.com offers the Fantom GreenDrive 2TB eSATA / USB 2.0 External Hard Drive, model no. GD2000EU32, for $84.99 with free shipping. That’s $0.04/GB, the lowest total price we could find by $15, and the best non-rebate price we’ve seen for a 2TB USB / eSATA drive. This “green” drive claims to draw 40% less power than conventional drives. Features include an eSATA interface, 32MB cache, and more.