TV installation location: I'm not sure. Wall material: Drywall. TV size: 47" to 50". Electrical outlet near TV (within 10'): Yes. Conceal cables/wires: Yes. Peripheral devices to connect to the TV: Cable/satellite box, DVD/BluRay player, I'm not sure yet. Existing equipment: Yes, I already have a mount/stand, No, help me select a mount/stand. Type of mount: As recommended by professional.