Apple has finally brought the Retina Display to the big time, taking the wraps off a new iMac. Dubbed simply the iMac with Retina Display ($2,499), it features a new “Retina 5K” display featuring 5120 x 2880 pixels in a 27” screen, for a total of 14.7 million pixels, making it the world’s highest resolution display. Announced at Apple’s October 16th event, alongside the release of OS X Yosemite, the new iMac with Retina…
