Ending today, TigerDirect offers the WD 1TB VelociRaptor Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. WD1000DHTZ, for $199.99. This $30 mail-in rebate drops it to $169.99. With free shipping, that's $0.17/GB and the lowest total price we could find by $30. This drive features a 64MB cache and runs at 10,000rpm.