Samsung is already cooking up a lot of mid-range phones for Sprint and Verizon in the near future. Why not throw an AT&T model on the stove? Based on a flood of certifications (and Samsung's own browser profile), the SGH-i547 will sit squarely in the mid-range of Big Blue's Android phones -- with one exception. Its 800 x 480 screen, 802.11n WiFi, Bluetooth 4.0 and NFC won't rock most people's worlds, but the quad-band LTE still sticks out like a sore thumb despite