Fry's Electronics offers the Western Digital 1TB Mainstream Serial ATA 6Gb/s 3.5" Internal Desktop Hard Drive, model no. WDBH2D0010HNC-NRSN, for $49 with free shipping. That's tied with our July mention and the lowest total price we could find by $11. It runs at 7200 rpm and features a 64MB cache.
A close price: Best Buy via eBay has it for a buck more.