Today's deals from DealNN include discounted iMacs, monitors, and more. Apple's online store this week is offering price breaks on a wide range of refurbished iMacs, one of which is the refurb. 2.7GHz iMac with a quad-core Intel Core i5 processor, 21.5-inch widescreen display, 4GB of RAM, and 1TB hard drive. Currently featured at DealNN, this particular iMac has now dropped $250 in price and can be purchased for only $1249.