Best Buy offers the Apple iMac 21.5" Core i5 1.4GHz All-in-One Desktop, model no. MF883LL/A, for $899.99 with free shipping. That's $80 under our June mention, the lowest total price we've seen, and a current low by $79. (For further comparison, it's also $29 under what Apple charges for a refurb; this one is new.) 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.