This week we learned of two new Nokia Windows Phone devices, the Lumia 520 and the Lumia 720. The 520 will reportedly include a glove-compatible 4-inch screen, a dual-core 1 GHz CPU, 512 MB of RAM and 8 GB of storage. Unlike the Lumia 620, this phone won't have a front-facing camera. The Lumia 720 will have a 4.3-inch display, with the same internal specifications. On the camera front,