Filed under: Displays, HDTVHitachi has announced it's stopping production and sales of its LCD- and CRT-based RTPVs in North America. The production facility in Mexico which serves the North American market was actually shut down this summer. While this might not come as much of a surprise to us, this is a sure sign that the average consumer's idea of what a "big screen, HD" TV is has shifted from a monstrous box to a slim flat panel. The torch has been passed, and