Dell Small Business offers the Night Owl 8-Channel 8-Camera 1TB DVR Security System, model no. B-A720-81-8, bundled with a $150 Dell Gift Card for $499.99 with free shipping. (The gift card will be delivered via email 10 to 20 days after shipment.) Assuming you'll use the gift card, that's the lowest total price we could find by $67. It features 100-foot night vision, motion-activated 720p recording, and remote viewing. Deal ends March 20.