For its newsletter subscribers only, offers the Toshiba 1.5TB Canvio Basics Portable USB 3.0 External Hard Drive, model no. HDTC615XK3B1, for $99.99. Coupon code "EMCWXWR65" cuts it to $79.99. With free shipping, that's $0.05/GB and the lowest total price we could find by $7, although we saw it for $5 less two weeks ago. This USB-powered drive features an 8MB cache and runs at 5400 rpm.