A faster processor, HD screen, LTE connectivity, though a somewhat thicker design ‘ most of the predictions for the iPad HD came true when Apple CEO Tim Cook introduced the latest tablet in San Francisco last Wednesday. Cook may lack the presentation charisma of his predecessor, but he talks from a similar ambitious script, claiming: ‘In many ways the iPad is reinventing portable computing, and it’s outstripping the wildest of predictions, adding that Apple had sold 172m ‘post-PC’ devices in 2011. The latest offering is sure to boost that total, filling many of the gaps in the already hugely successful iPad ‘ though many observers still expect Apple to add a smaller-screened, lower cost model later in the year to…