Whether it's online or on the air, you can easily watch your favorite videos on your HDTV, thanks to the Logitech Revue ($300). The Revue puts you in control of what you watch with an easy-to-set-up companion box and an intuitive keyboard controller. To top it off, the  Revue comes with a number of different app created just for your TV and has an endless optional possibilities to give you full control over your entire entertainment experience.