BuyDig offers the Optoma 1080p DLP Home Theater Projector, model no. HD131Xe, for $717. Coupon code "BIGSCREEN40" cuts it to $677. With free shipping, that's $27 below our January mention, which bundled it with a set of headphones, and the lowest total price we could find by $40. This DLP projector features a display size of up to 301", a native resolution of 1920x1080 (1080p), 2,500 lumens brightness, 18,000:1 contrast ratio, 3D compatibility, and two HDMI inputs.