Newegg offers the Western Digital Black Series 750GB Serial ATA 6Gbps 2.5" Internal Notebook Hard Drive, model no. WD7500BPKX, for $58.99. Coupon code "ESCAXKA78" cuts it to $54.99. With free shipping, that's tied with our mention from three weeks ago as the lowest total price we've seen. (It's a current low by $4.) It features a 16MB cache and runs at 7200 rpm. Deal ends September 14.