A:
This can vary based on the size of your room, the color of the room, and even the amount of ambient light during prime viewing hours.
The "Dynamic" settings are usually for very brightly lit areas, where control of light is difficult. The "Movie" setting will provide a darker picture for dark-room applications. You can use any of the preset options, and then tailor the settings to your taste.
If you'd rather, Best Buy does offer a calibration service that will give you a professionally tuned picture, and you can get more information on that from Best Buy's Geek Squad Agents.
Thanks for your interest in Samsung televisions.
--Mr.Samsung