As one of its daily deals, A4C offers the refurbished 1st-generation Amazon Kindle Fire 7" 8GB Android Tablet, model no. B0051VVO5S, for $57.99 with free shipping. That's $12 under our mention from three days ago and the lowest total price we've seen for a refurb. (It's a current low for a refurb by $32.) It runs a heavily modified version of Google's Android OS and features a dual-core processor, 7" 1024x600 IPS touchscreen display, 8GB of internal storage, 802.11n wireless, and USB.
Note: A 90-day A4C warranty applies.