My HT is in a large basement room, with a stairway at the corner opposite the TV. For subtle room light, I leave the light at the top of the stairs on and a bias light on a dimmer behind the TV. The dim, indirect from the stairway landing just puts a little light into the room without anything...
Next time you go to a movie theater, notice that the light never dims down all the way. There's always still a little bit of light in the auditorium. With a large commercial movie screen there's no bias light around the screen, but that's because the screen is so large. At home, unless you...
Not at all. Remember, you don't want the room completely darkened. You want a little ambient light, plus the movie image will light up the room some. A completely dark room causes eye strain. You want a little bit of radiant light (bias light) around/behind the screen/TV. I also have higher...
I'm with Wayne. There are a lot of options, and only you can really decide what you would like best. Sit down and visualize the different options. I mean, imagine where the equipment might be, and actually visualize turning stuff on and off. Playing a movie, checking status of surround sound...