TigerDirect offers the Western Digital Elements 2TB USB 2.0 External Hard Drive, model no. WDBAAU0020HBK-NESN, for $109.99. This $30 mail-in rebate cuts it to $79.99. With $4.42 for shipping, that's $0.04/GB and the lowest total price we could find by $19, although we saw it for $4 less in November. This drive uses GreenPower technology to reduce power consumption by up to 30%; it runs at 7200 rpm. Rebate ends January 19.