For its newsletter subscribers only, newegg offers the Western Digital 2TB MyBook Live Gigabit Ethernet External Network Hard Drive in Black, model no. WDBACG0020HCH-NESN, for $159.99. Coupon code "EMCJNGN238" cuts it to $139.99. With free shipping, that's $0.07/GB and the lowest total price we could find by $10, although we saw it for $10 less in July (expired). It features automatic backup. Coupon expires November 5.

Note that Amazon charges the same.