An Apple Thunderbolt 5K Display? Don't hold your breath

First reaction among those setting eyes on Apple's new iMac with Retina 5K Display after it was announced yesterday was typically along the lines of "Wow": even Tim Cook couldn't resist the charms of the 14.7m pixel all-in-one, and he knew it was coming. The second, though, from a few laterally-thinkers in the crowd, was to ask whether the iMac …