Staples offers the Western Digital My Passport Essential SE 750GB Portable USB 3.0 External Hard Drive in Black, model no. WDBACX7500ABK-NESN, for $89.99. Coupon code "97751" cuts it to $69.99. With free shipping, that's $0.09/GB and the lowest total price we could find for this hard drive by $20, although we saw it for $10 less in October. Sales tax is added where applicable.