What is the cheapest way to hook up my PC to my HD-Ready TV?

We have an older Toshiba HDTV that has only one component input. It has no input HDMI, DVI, or VGA. I want to connect my PC to your TV for video websurfing and examinations, images through the TV. I ‘VE the view a number of video cards that say who-component output, however, note how a [...]