digg_url = 'http://digg.com/apple/iMac_line_updated_with_16_9_displays_quad_core_Core_i5'; After months of speculation, Apple has unveiled some completely new iMacs, featuring 21.5-inch and 27-inch 16:9 displays and all-aluminum enclosures. The new widescreen IPS panels are LED-backlit and have 178-degree viewing angles -- the 21.5-inch iMac has a 1,920 x 1,080 resolution, while the 27-incher comes in at a staggering 2,560 x 1,440. Ports are the same as the outgoing model with the addition of an SD card slot and video-in on the 27-inch
