Ending today, newegg offers the Western Digital My Book Essential 1.5TB USB 3.0 External Hard Drive, model no. WDBACW0015HBK-NESN, for $99.99. Coupon code "EXXTHD10" cuts it to $79.99. With free shipping, that's $0.05/GB and the lowest total price we could find by $20, although we saw it with pickup for $20 less in November. This drive is purported to run 3x faster than a similar USB 2.0 device when connected to a USB 3.0 port. It also features password protection with hardware encryption.