I came across an article in Business Week today about the nightmare that is the Blackberry trackball. They are the #1 problem that leads to device replacements in my experience. According to Business Week, market research firm iSuppli predicts the trackball will be gone by 2013. I like the sound of that. But for now, if you’ve got a track ball problem in NYC, you might want to visit Tony Nafchti of fixyourberry.com.