Bluetooth Special Interests Group (SIG), the world has now been let in on the secret of one of Hewlett-Packard's next Pocket PCs: the upcoming iPAQ h4100 series. Granted approval for its Bluetooth capabilities by the SIG on July 23, the iPAQ h4100 series has long been rumoured in enthusiast communities to be a new breed of Pocket PC featuring a built-in, foldable laptop-sized keyboard as well as software capable of rotating the display of the unit to landscape mode.">