Woot offers the open-box 1.2-lb. ASUS VivoTab TF600T 10.1" 64GB WiFi Windows RT Tablet in Black/Gray, model no. TF600T-C1-GR, for $169.99 plus $5 for shipping. That's $110 under our May mention of an unopened unit and the lowest total price we've seen for this tablet. (It's also $85 below the price of a new unit today.) It features an NVIDIA Tegra 3 1.3GHz quad-core processor, 10.1" 1366x768 IPS multi-touch LCD, 2GB RAM, 64GB internal flash storage, 8-megapixel back-facing camera, 2-megapixel front-facing camera, Bluetooth, 802.11n wireless, microSD slot, GPS, and Windows RT OS. Deal ends December 18.
Of note, this item will not arrive in time for Christmas. A 30-day warranty applies.