If you have a HD (high definition) television, then you can also have HD cable! Yes, that is right, because you spent the extra money and purchased a HD television, you can now get your cable programming in HD also!
However, in order to receive your cable in HD, you must have the appropriate equipment and that means you must have an HD cable box if you want HD cable. You can either purchase an HD cable receiver separately through a company that sells them or you can try to save some money when purchasing your own and see what eBay has to offer.
Otherwise, most cable companies that offer HD cable also offer a special HD cable receiver just for customers that have HD television and want HD cable through it. You will just need to contact your cable company if you wish to find out what they offer.