I was just as excited as everyone about the macbook Air. Yesterday I went to the Apple Store to check it out. Wow, that looks amazing, I thought as I approached it. However, after using it for a few minutes, I realized that the trackpad was acting up and not following the movements of my finger accurately. In short, the curser was moving around the screen in a very choppy manner. I asked the Apple Specialist what the deal was, and she shrugged her shoulders and told...