Fry's Electronics offers the Western Digital 1TB Caviar Serial ATA 3Gb/s 3.5" Internal Hard Drive, model no. WDBAAZ0010HNC-NRSN, for $74 plus $6.99 for shipping. (Free in-store pickup is also available.) That's the lowest total price we could find by $4. Sales tax is added where applicable. It runs at 7200 rpm and features a 32MB cache.