YouBuyRite via eBay offers the open-box Unlocked Apple iPhone 6 Plus 64GB Smartphone in Space Gray, model no. MGAH2LL/A, Silver, model no. MGAJ2LL/A, or Gold, model no. MGAK2LL/A, for $679.99 with free shipping. That's $120 under our mention of a factory-sealed unit from three days ago and the best price we've seen for an unlocked device. (It's also $120 less than a new unit today.) Deal ends August 24.