Been watching DVD's on my new Toshiba 32A42 and (I know I'm a Philistine) been using the TV's own speakers as my "sound system." This of course is only a stop-gap measure until I can get a proper system. I've noticed in certain parts of films (especially LORD OF THE RINGS last night), when the sound gets low and "bassy," the cabinet of the television hums--actually reverberates due to the sound frequency. I don't have the volume up that loud, either; about 58 or so. Am I just bumping up against the limits of the TV's abilities, or is this unacceptable and should I put in for a service call? I can accept the former, but it still seems like the TV's native system would be naturally limited, but not actually defective. I don't know, I'm torn. Any advice/feedback would be appreciated!