This may take a bit of steam out of LG's announcement this Thursday night, but AT&T has gone ahead and clicked "submit" on its press release for the LG Nitro HD, its version of the Optimus LTE. As we were expecting, the new arrival on AT&T's network offers a 4.5-inch HD (1,280 x 720) IPS display, a 1.5GHz dual-core CPU, an 8MP camera and LTE. It should be showing up in stores and online December 4th for $250 with a two-year commitment. So, did AT&