HP's low-end iPAQ h1910 touts 64 MB RAM, a secure digital (SD) expansion slot for additional storage, a removable slim battery and a synchronization cable.

HP said the high-end iPAQ h5450 handheld, targeting enterprise customers, it the first PDA to integrate biometrics security, wireless LAN and Bluetooth.

HP's Budget Pocket PC: iPAQ h1910

"A thermal biometric fingerprint reader helps to ensure that critical data is protected from unauthorized access. The fingerprint registration process authenticates the owner's unique fingerprint, allowing access with a simple fingerprint swipe. Users also are given the option to combine this with a PIN and/or password," the company said.

The iPAQ h5450 also offers VoIP software, wireless email and calendar access software, ad-hoc wireless file sharing and messaging and real-time setup and management of conference calls. For more details on both the new Dell and HP handhelds, click on the hardware information pages bellow.