As one of its daily deals, CowBoom offers the used Dell XPS 8700 Intel Haswell Core i5 3.2GHz Quad Desktop PC, model no. X8700-1262BLK, for $449.99. Coupon code "XPS6415" cuts the price to $349.99. With free shipping, that's $280 under the best price we could find for a new unit today.