The NPD Group: iPhone's First Round Punch Lands Hardest on Treo

So we all didn't REALLY think the iPhone was going to be that big of a threat to BlackBerrys did we? I mean, WinMobile manufacturers probably had more to worry about than did BlackBerry.

Well, the NPD group has done a study on what devices the iPhone has actually been a threat to.

Initial iPhone buyers were 10 times more likely than other new phone buyers to have previously owned a Treo and three times more likely to have owned a T-Mobile branded phone, such as the popular Sidekick model. Both the Treo and the Sidekick offer a physical keypad -- something the iPhone, with its touch screen-based interface, does not. In contrast, iPhone buyers were no more likely than the average buyer to have previously owned a Blackberry. “The iPhone’s lack of corporate email support appears to make it less appetizing to current Blackberry owners,” Rubin said.

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