>>You've got four eyes??? Where??? :)))
>
>I need to have a monitor showing four channels at the same time. Of course, only one would have sound but I need to see visually four channels. I have presently ATI TV Tuner 7.1.


Look at this one: http://www.colorgraphic.co.uk/promedia.htm
Seems the card still has one tuner, but they are talking about 4 independent output windows. May be it's what you want?