Apple and AT&T are leading computer and phone support in conditions that are still on the decline, Vocalabs found in a pair of studies of phone help quality. Apple was still out in front by a significant margin in computers, with 54 percent very satisfied to 49 percent of HP owners and 44 at Dell. The figure for Mac help was still down a full 19 points from the first half of 2010, however, where Dell and HP had always been at their lower levels.