Filed under: Displays, Gaming, HDTV, Home EntertainmentWhile we've already seen one particular Engadget HD reader reach out for assistance with finding a niche HDTV, this particular question just screams mainstream. Today's gamer is likely looking for a set that's multifaceted, and Sir Matthew here is no different: "I'm considering purchasing a 1080p HDTV in the 40- to 50-inch range for use with console gaming and possibly as a PC monitor. I've got about $2,500 to spend,