Quick Ship Electronics via eBay offers the open-box Apple iPad Air 32GB WiFi Tablet with Retina Display in White/Silver, model no. MD789LL/A, for $289.99 with free shipping. That's $40 below our mention of a new tablet from last month and the lowest total price we've seen for a 32GB iPad Air. (It's currently $142 below the best deal we could find for a new tablet.)
Note: A 1-year Quick Ship Electronics warranty applies.