A cheesy trade show like CES is rarely the best opportunity for hard-nosed technology vendors to flex their muscles. Often those doing the most important jobs in our industry fail to dazzle the easily impressed consumer market. That said, CES is a big show for big screens – with Roku among the most significant announcements with its line-up of proprietary smart TVs. The price range is arguably the most headline-grabbing of the specifications, with the 11 different models starting as low as $199 and ramping up to $999, with screen sizes stretching from 24-inches to 75-inches. The reception of Roku’s partners – the smart TV OEMs currently licensing the Roku OS – could make for intriguing viewing in the smart…