First, I want to say I am new to all of this so I apologize if I don't provide all of the information needed. Please let me know if more information is needed. After saying that, I am looking for a screen to match with an epson Powerlite Pro Cinema 6020. My media room is 18' x 12' with no windows. I have 4 wall sconces with a dimmer switch. The walls and ceiling will be painted a dark navy blue or black. It will be used for watching TV, sports, movies and a little bit of...