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I would recommend the Toshiba Pocket PC E400 PDA if you are planning to play games on your PDA - it's large screen offers a better view of the game.
Average Battery Life is about 4 Hrs.
No, it does not come durable carrying case.
The Toshiba E335 has fewer features than most Blackberries, but is also much cheaper. It depends on how much you're willing to spend.
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