It's the night before an Apple event. You know, the time just before the Apple Store being down sends ripples of excitement through the blogosphere. Now's a time for one last reflection on the finalized rumors laid out in the past several hours. But I'm not going to do that. Instead, I'm going to talk about expectations. I've been to all but one of the past two years worth of Apple events. And for the several years prior to that, I followed along online on sites like this one, with the rest of you. These past two years there has been a noticeable trend immediately following these events: Disappointment. TechCrunch50 Conference 2009 : September 14-15, 2009, San Francisco