Buy.com via eBay offers the Seagate 2TB Expansion Desktop USB 3.0 External Hard Drive, model no. STBV2000100, for $71.99 with free shipping ($0.04/GB). That's $7 under our mention from three weeks ago and the best price we've seen. (It's also a current price low by $18.) This 2.3-lb. drive features plug n' play functionality and built-in power management. Deal ends May 22.