Groupon offers the refurbished 1-lb. Proscan 8" 8GB WiFi Android Tablet with Keyboard Case, model no. PLT8802G-K, for $54.99 with free shipping. That's $34 under the lowest total price we could find for a similar new Proscan tablet elsewhere. It features a 1GHz dual-core processor, 8" 800x600 touchscreen LCD, 512MB RAM, 8GB internal storage, front-facing camera, built-in WiFi, microSD slot, and Android 4.2 (Jelly Bean).
A 90-day warranty applies, although it's unclear who covers it.