I am looking for a internet TV service for which I pay a one time fee and get to watch the content for free afterwards.

My criteria are:

1. Should be able to provide live streaming from channels popular in US cable.
2. Should be able to provide HD version of the content
3. Should be dependable enough like standard cable ( or like hulu.com) and/or have good customer service.

If anyone has had a positive experience on such a service please feel free to refer them to me.

What you are asking for does not exist.

Do not buy programs that claim to provide this type of service.

You can get everything they offer for free with programs like JLC's Internet TV (http://jlc-software.com/?page=internet_tv.html) and Readon TV Movie Radio Player (http://www.readontech.com/aboutinternettv.html)