Dell Small Business offers the Dell M900HD Wireless Mobile DLP Projector for $649. Coupon code "CTCBFMG8$BF92F" cuts it to $584.10. With free shipping, that's $31 below our April mention and the lowest total price we could find by $166. It features a native resolution of 1280x800, 900 lumens, a range of up to approximately 8 feet, USB, HDMI input, and a 2GB internal memory. Deal ends November 3 at 8 am ET.