Dell Home offers the Night Owl 16-Channel 8-Camera 1TB DVR Security System, model no. B-10LHDA-1681-720, bundled with a $150 Dell Gift Card for $549.98 with free shipping. Assuming you'll use the gift card, that's the lowest total price we could find by $50. It features 100-foot night vision, motion-activated 720p recording, and remote viewing. Deal ends March 6.