The Nokia Asha 200 is a dual SIM enabled device which allows for Easy Swap ie it is possible to change the SIM card without turning off the device. You also get shortcuts for social networking , email , IM , Orkut and Flickr amongst others.
The phone can support upto 32GB microSD cards allowing users to store thousands of tracks. The phone is rated for 52hours of audio playback. A 2MP camera is also present at the back of the phone.
UPDATE: Here is a hands-on video of the Asha 200