Son of a motherless goat, that’s a lot of storage. You can pick up the two-terabyte Western Digital My Book from Newegg.com for $369.99, which includes free shipping. It packs two one-terabyte drives and can be used in a RAID 0 or RAID 1 array. It also has USB 2.0 and FireWire connections, a 7200RPM spindle speed, and 16MB cache.
Western Digital My Book Mirror Edition 2TB [Newegg.com via dealnews]