TigerDirect offers the Western Digital Elements 500GB 2.5" Portable USB 3.0 External Hard Drive, model no. WDBPCK5000ABK-NESN, for $59.99. This $20 mail-in rebate cuts it to $39.99. With $3.69 for shipping, that's $0.09/GB, $20 under our September mention (without a rebate), and the lowest total price we've seen, including refurbs. (It's a current price low by $13.) It features both USB 2.0 and USB 3.0 connectivity. Rebate expires November 26.