Today only, 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 around $4 for shipping, that's $0.04/GB and the lowest total price we could find by $15, although we saw it for $4 less in March. This drive uses GreenPower technology to reduce power consumption by up to 30%; it runs at 7200 rpm.