A computer in your living room is easy. Many TVs have DVI or VGA inputs. Nevertheless, there is always an obstacle. The living room keyboard and mouse solution.
Adesso’s WKB-3100 (a catchy name, which I am sure that will continue over the head in the coming years), which is actually a small wireless keyboard with integrated trackball. The entire device is only 12 cm in width so it can be really easy to type on.
Adesso is a range of 30 feet. That should be enough, as much as you can in “hulu.com” in your Media Center PC or something.