Today's deals from DealNN include discounted monitors, speaker systems, and more. Staples.com has recently lowered the cost of the HP 23-inch LED Monitor, complete with 1,000:1 contrast ratio and 5ms response time, one year warranty, and maximum image resolution of 1920 x 1080. Currently featured at DealNN, the monitor is now available for the discounted price of $159.98 and offers savings of up to $70.