http://www.techwench.com/a-review-of-the-siemens-sx66-phone/
The public wanted a mini computer that doubled as a phone, they wanted to check messages and send messages – Siemens rose to the occasion to present us with the Siemens SX66. It is the third installment in the highly successful XDA/MDA pocket PC phone series. The addition of a mini keyboard, Wi-Fi, Bluetooth, VGA camera, SDIO slot, video recorder and 400 MHz processor quite ably round out the phone’s features.