TigerDirect offers the Western Digital Elements 2TB USB 2.0 External Hard Drive, model no. WDBAAU0020HBK-NESN, for $99.99. This $20 mail-in rebate cuts it to $79.99. With free shipping, that's $0.04/GB, tied with our mention from two days ago, and the lowest total price we could find by $14. This drive uses GreenPower technology to reduce power consumption by up to 30%; it runs at 7200 rpm. Rebate ends November 26.