Such a thing has not been produced. While there are products like USB HDTV tuners you can add that MIGHT work but since no one makes your TV+Latop+WhatYouAsked, you may be upset when a channel won't tune in.
Reading for you.
I would like to purchase a PC (or laptop) on which I can watch local (FREE - no cable) television programs. I reach the internet by either by embarq.com or msn.com.