If you have 2 sim card and don't want own 2 phones? you can choose this The DuoSim 228 phone , this phone comes with dual SIM card slots and you can switch services very easy . This cellphone features GSM 900/1800 network capability, 2.6″ touch-screen and handwriting display, microSD memory card slot (max. 2GB), MP3 player, 2.0 megapixel camera, Bluetooth connectivity, and supports a variety of languages, including English, French, Russian, Thai, Vietnamese, Arabic and Chinese.
You can buy it for $199.