Buy.com offers the Fantom Diamond 2TB USB 2.0 External Hard Drive, model no. FDD2000U32, for $119.99. This $20 mail-in rebate cuts it to $99.99. With free shipping, that's $0.05/GB, tied with our mention from two weeks ago, and the lowest total price we could find today by $47. This drive features a 32MB cache. Rebate ends April 1.