As one of its daily deals, 1Sale offers the open-box, fifth-generation Apple iPad Air 64GB WiFi Tablet in Black/Space Gray, model no. MD787LL/A, or White/Silver, model no. MD790LL/A, for $619.99 with free shipping. That's the best price we could find for a sealed unit by $30, although we saw one for $20 less with pickup in January. This 1-lb. tablet is 0.29" thick and features a 9.7" 2048x1536 Retina display, Apple A7 64-bit processor, M7 motion coprocessor FaceTime HD front-side camera, dual microphones, 5-megapixel iSight camera, 802.11n wireless with MIMO, Lightning connector, 10-hour battery life, and iOS 7. Deal ends today.

A 6-month warranty applies, although it's unclear who backs it.