I am going to be building a home in the next few months. I have already decided to have it pre-wired for my theater. Right now I have a 47 widescreen rear projection tv. Eventually I will be getting a projector and screen. Can someone let me know what type of connections I should have put in the ceiling. I guess it will also need a standard electrical outlet in the ceiling. Is this correct. Any other insights on what to make sure is prewired in the room will be helpful and appreciated.