These two phones have a rivalry that equals the competition found between Paris Hilton and Lindsey Lohan; Mike Tyson and Evander Holyfield; Jack in the Box and Burger King; Baskin Robbins and Cold Stone Creamery — well, you get the idea.

The answer, as found in an NPD survey, may very well surprise you. Most folks anticipated that during the first quarter of 2009, the iPhone would sweep across the board as the number one smartphone. That has not proven to be the case, however.

The survey reveals that, in all of the United States, Apple’s iPhone 3G takes second place. It is the runner up to the Research in Motion Blackberry Curve.

Following the first two spots are the Blackberry Storm in third place; the Blackberry Pearl — but not the Pearl Flip — in fourth place, and the T-Mobile G1 in fifth. Clearly, the Blackberries are the ones sweeping the boards.