Review: iMac with Retina 5K display

IntroductionWhen Apple announced the iMac with Retina 5K display toward the end of 2014, it didn't come as a shock. The Cupertino-based company slimmed down its previous-generation iMacs two years earlier, and it felt like a matter of time before they would join a growing fleet of Retina-equipped products that now includes the iPhone 6, iPad Air 2 and the new MacBook.Going one further than 4K, the Retina iMac's 5K display features a pixel-resolution of 5,120 x 2,800, which lends it more than 14.