Acer DX900 is intended for experienced users who posséder 2 mobile phone lines and thus require 2 SIM cards.

Acer DX900 is the first 3G handset running Windows Mobile that runs simultaneously 2 SIM. The user chooses the time of the call, the card to use.

But the Acer DX900 is not limited to this feature, it will also manage the Wi-Fi and GPS (A-GPS). The integration of SPB Mobile Shell 2.0 makes use of the phone and allows simplified access to your personal data: calendar, contacts and programs are available in a few clicks.

Acer DX900 Features:

Networks Dual SIM - Browse and dowload broadband connection thanks to 3G HSDPA
LCD touch screen 2.8 "VGA TFT LCD (640 x 480)
OS Windows Mobile ™ 6.1, ENGLISH
GPS Integrated GPS
3 megapixel camera
Connectivity Wi-Fi (IEEE 802.11 b / g), Bluetooth 2.0, audio jack 2.5 mm

Here is more information that might be of interest to you:

iPhone 3G S

HTC Touch Pro2

Nokia E71