software development kit can contain, especially when there's a nice emulator tucked in there to give an early taste of things to come. That's exactly what can be found within the webOS 3.0 SDK, and that SDK is exactly what's been leaked to the world, giving anyone who wants it the ability to play with the OS that'll make the HP TouchPad tick. PreCentral.net took the emulator within for a heck of a test drive, providing a lengthy textual overview of everything from keyboards to calendars, along with the video that's embedded below. Sure, clicking and dragging in an early emulator isn't nearly as much fun as tapping and swiping on some beautiful hardware, but it sure does cut down on the smudgy fingerprints. It's cheaper, too.