Buy.com offers the Iomega 1TB EZ Media & Backup Center NAS External Hard Drive, model no. 35538, for $79.99 with free shipping ($0.08/GB). (newegg charges the same price.) That's the lowest total price we could find by $15 and a very low price for a 1TB NAS. It features a 1.2GHz dual-core processor, Gigabit Ethernet, USB 2.0, and compatibility with Windows, Mac, and Linux systems.