Today only, TigerDirect offers the Western Digital My Passport Essential 500GB 2.5" Portable USB 3.0 External Hard Drive in Black, model no. WDBACY5000ABK-NESN, for $59.99. Coupon code "MLN72556" cuts it to $54.99. With free shipping that's $0.11/GB, $15 under our mention from last week, and the lowest total price we've seen for this drive new. (It's also a current price low by $8.)