Aaron pits the Motorola DROID 4 against the Samsung Epic 4G Touch.  The DROID 4 sports a 1.2 GHz dual-core TI OMAP processor, 4-inch qHD display, 8-megapixel camera with 1080p HD video recording, a front-facing camera, 1,785 mAh battery, and 4G LTE connectivity.  The Epic 4G Touch has a 1.2 GHz Exynos processor, 4.52-inch Super AMOLED Plus display, 8-megapixel camera with 1080p HD video recording, a front-facing camera, 1,800 mAh battery, and Android 2.3 with TouchWiz 4.0.  They're both $199.99 at their respective carriers.  Which one is the best?  Part 1 of 2.