Now, one more fantasy would attract your eyes. VK700X owns 7 colors like rainbow. Vkworld would release multicolored back covers to provide you more choices. By the way, you can buy VKWorld VK700X under $ 50 @ Everbuying, more details in this article.
The front of the phone is keeping black, you just need to change the different colored back covers that you can own a different phone. There are diamond white, bright yellow, fruit green, noble black, fancy blue, dazzle golden, rose red.