Comment on Refurb ASUS Zenbook i5 Dual 1.6GHz 13" Ultrabook for $570 + free shipping

eCOST offers the refurbished 2.9-lb. ASUS Zenbook Intel Core i5 1.6GHz 13.3" LED-Backlit Ultrabook, model no. UX31-RSL8, for $569.99 with free shipping. That's $50 under our November mention of a refurb and the lowest total price we've seen for a 13" ultrabook with a Core i5 CPU and 128GB SSD.