BlackBerries nearly dominated iPhones in US smartphone sales for the start of 2009, the NPD Group said today in a new study. The market researchers note that the top-selling phone line from the quarter ended in March was the BlackBerry Curve 8300 series, which edged out the iPhone 3G at second place. Of the top 5 phones, 3 were BlackBerries and included the touchscreen Storm in third place and t