HDTV – or, High Definition Television – is the new generation of TV, and is capable of displaying analog signals as well as those that are digital in nature. While this offers a viewing experience that’s unmatched, it also requires external hardware in order to receive the HDTV signals in addition to the monitor. In other words, plan on spending a lot of money. If money isn’t the issue, then HDTV is for you. Before you run out and make a purchase, however, there are some things that you’ll need.