4K iMac or Thunderbolt Display tipped for Yosemite debut

Apple's desktop Mac line may finally be getting the Retina update OS X users have been hoping for, with chatter of a 4K model headed to stores around October. Although Retina display technology is already offered on the MacBook Pro and across Apple's iPhone and iPad line, so far the Mac Pro and iMac have stuck with their lower pixel-density panels, despite both computers being easily capable of driving significantly higher resolutions.