Best PDA Phones
Keys:
Although it varies from model to model, input is generally through a QWERTY keypad or a touchscreen and stylus combo, either of which allows you to effortlessly write or type messages. Business users are usually attracted to push e-mail capabilities of PDA-phones, where new inbox messages are transferred directly to the mobile device. To set up push e-mail, a Microsoft Exchange or BlackBerry Enterprise Server is usually required, although personal and other third-party solutions are available through network carriers.
A bevy of OS enhancements and access to Telstra's Next G mobile broadband network easily make the Treo 750 the best Windows Mobile device we've ever used.
An extremely well-equipped Pocket PC PDA-phone, Dopod has made sure that the 3G-enabled 838 Pro balances features with power so it doesn't leave you hanging when you need to access applications like Skype.
Samsung's BlackJack is a utilitarian PDA-phone which has some consumer-friendly features that aim to balance its workhorse disposition.
The BlackBerry 8700 series is ideal for mobile professionals who require always-on e-mail access, but it's not so good for non-business users.
What do you call something that looks like a BlackBerry, acts like a BlackBerry and yet offers a lot more than most BlackBerry devices? Nokia calls it the E61.