Thinking about getting another HDTV for your home or office? Amazon has got a huge list of HD television sets for under $500. Brands in the list include Panasonic, Samsung, Sony, Toshiba, VIZIO and others, with video resolutions from 720p to 1080p. Sizes range from the 19″ 60Hz VIZIO ($128) to the 42″ TCL Slim LED HDTV ($428). Most of the sale prices are displayed up front, but several of them will have to be added to cart before the sale price is revealed. Here’s a link to Amazon’s $500 or less HDTV sale happening now.