Today only, Newegg offers the Toshiba 500GB Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. DT01ACA050, for $54.99. Coupon code "GREENMD202" cuts it to $39.99 ($0.08/GB). With free shipping, that's $16 under our January mention and the lowest total price we could find by $12. It runs at 7200 rpm and features a 32MB cache.