As one of its daily deals, Gravity Buys via eBay offers the Unlocked Apple iPad Pro 12.9" 128GB WiFi + 4G LTE GSM Tablet in Silver, model no. ML3N2LL/A, Space Gray, model no. ML3K2LL/A, or Gold, model no. ML3Q2LL/A, for $859.99 with free shipping. That's $30 below our mention from a month ago and the lowest total price we've seen. (It's a current best by $119.) Deal ends today.