Not an owner yet. Im contemplating going from a harley to a gold wing tour. The way the MOCO is voiding warranties, the new M8 engine issues. Im looking at the GW tour. My local dealer has both a 18 and 19. What are the differences if any between the two. I know the 18 was revamped and its always good to stay away from year 1 changes. Ive heard the term "niggles?" what is that defects, gremlins?