Amazon offers the Hitachi GST Travelstar 1TB Serial ATA 3Gb/s 2.5" Internal Laptop Hard Drive, model no. 0S03563, for $69 with free shipping. (B&H Photo-Video and Fry's Electronics offer it for the same price.) That's a buck under our November mention and the lowest total price we've seen. (It's a current low by $6.) It has a 16MB cache.