Apple’s hot iPhone 3G is now the most popular mobile phone in the U.S., according to market researcher NPD.
iPhone 3G pipped Motorola’s RAZR (the top-seller for the past 12 quarters) to take the No-1 spot in the third quarter.
Since the iPhone debuted about 17 months ago, sales of the smartphone have been on a tear. In the last quarter alone (ended September 27, 2008), Apple sold 6.892 million iPhones compared to 1.119 million units in the same quarter a year ago.

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Here are the top-selling handsets (by rank) in the U.S. based on unit sales:
1. iPhone 3G
2. RAZR V3 (all models)
3. RIM Blackberry Curve (all models)
4. LG Rumor
5. LG enV2
We think the upcoming touchscreen-based Blackberry Storm could have




