eBay with Buy.com (aka Rakuten.com Shopping) has the Seagate STDR1000103 Backup Plus 1TB USB 3.0 Portable Hard Drive for $55 with free shipping. Sells for $70+ around the web. Features slim metal design, pre-loaded NTFS Mac driver, a Protect function, and includes an 18" USB 3.0 cable. Excellent Amazon reviews.
Deal has expired