The Apple Store offers its factory-refurbished Apple iMac 21.5" Core i5 1.4GHz All-in-One Desktop, model no. MF883LL/A, for $929 with free shipping. That's $51 below our June mention of a new unit and the lowest total price we've seen for this model. (It's also $71 under the best price we could find for a new unit today.) Features include an Intel Haswell ULT Core i5-4260U 1.4GHz dual-core processor, 21.5" 1920x1080 (1080p) LED-backlit LCD, 8GB RAM, 500GB hard drive, 802.11ac wireless, Thunderbolt, and Mac OS X 10.9 Mavericks. A 1-year Apple warranty is included.