Pretty much everyone has caved and bought a universal remote at some point or another. Somehow, it never seems to be truly universal and ends up in a pile with the other remotes and you have to paw through the pile every time you want to turn on the boob tube. Logitech today swears the Harmony 900 is the last one you’ll ever need. And not only does the company promise it will control everything – TV, movies, games and music – Logitech claims the Harmony 900 will do it even when the components are behind closed