Entertainment systems and components, namely, televisions, movie projectors, projection screens and video screens, computer monitors, DVD players, CD players, audio speakers, subwoofers, receivers, tuners, audio amplifiers, multi-channel power amplifiers, digital signal processors, audio/video cables, USB cables, uninterruptible electrical power supplies, power supply cords, voltage surge protectors, voltage surge suppressors, framework for enclosing a television, and mounting enclosures and platforms designed to house and connect the foregoing, system for supporting a television and other display device and for housing, enclosing and connecting various audio-video equipment and accessories for home theatre systems and home entertainment systems