Buy.com offers the Fantom G-Force3 1.5TB USB 3.0 External Hard Drive, model no. GF3B1500U64, for $79.99. This $20 mail-in rebate cuts it to $59.99. With free shipping, that's $0.04/GB, and tied with our mention from four weeks ago as the lowest total price we could find, this time by $31. It's also compatible with USB 2.0 ports and features 2GB of free online backup for six months. Rebate ends August 7.