As one of its daily deals, Best Buy via eBay offers the Shark Navigator Bagless Upright Vacuum in Silver for $89.99 with free shipping. That's $9 under our December mention, the lowest price we've seen, and the best deal we could find now by $40. It features a motorized brush roll, 12" cleaning path, HEPA filter, dusting brush, pet turbo brush, and 25-foot cord. Deal ends today.