As Apple prepares to launch the iPhone 2 on Monday, competitors like Palm and RIM are not worried. On the contrary, they are licking their chops, preparing for a surge in sales, even though Apple expects to sell millions of new iPhones worldwide.  "The way I look at it is there are 1.2 billion cellphones out there, and we're just scratching the surface," said Mike Laziridis, CEO of Research In Motion, which makes the BlackBerry, the iPhone's closest rival.  Read more...