Amazon.com offers the Hitachi Deskstar 7K1000 1TB Serial ATA 3Gb/s Internal Hard Drive, model no. HD31000IDK/7, for $69.99 with free shipping ($0.07/GB). That's a $15 overnight drop and tied with a December mention for the lowest total price we've seen. This hard drive features a 32MB cache and runs at 7200 rpm.