From the Toys section:
Amazon.com offers the Western Digital Scorpio Blue 2.5" 640GB Serial ATA Internal Notebook Hard Drive, model no. WD6400BEVT, for $89.99 with free shipping ($0.14/GB). That's a $30 drop since our October mention and the lowest total price we've seen. This laptop hard drive runs at 5400 rpm and features an 8MB cache.
