Lenovo is burning up the Chinese smartphone market, and it's just announced a new middle-of-the road 4-inch ICS model, the A660, with two twists: dual-SIM slots and a waterproof case. The IP67 certification and Gorilla Glass also make it dustproof, but apart from that, the device carries pedestrian specs: Android 4.0, 1GHz dual-core processor, 800 x 480 screen and 5-megapixel rear c
