We use these both these projectors and I like them both for different reasons. The Epson has better blacks and contrast, if calibrated it has a much nicer picture than the Sony. It is really closer to the Sony 55 if calibrated and in certain situations I would take it over the 55. The Epson also has brighter modes for ambient light but not by much. The Sony is brighter in its best picture quality mode but not as bright in its other modes. The Sony while its contrast is not as good, its colors are better out of the box and it doesn't need much for calibration as it is already close. They both are very quiet in low power and would not bother anyone. The Epson is noisier in high power and might be bothersome to some people depending on their situation like if the projector is near them. For your situation here is the choices.
If you are going to get your projector calibrated, watch in the dark mostly or like 3D, the Epson with the matte white screen is the better choice. The Epson does have some brighter modes for ambient light but it will be in high power which is noisier.
If you are not getting your projector calibrated, watch with some ambient light or are a gamer, The Sony with the high contrast screen is the better choice. $1000 is a real good price for a tensioned screen. I don't know of any better at that price point.
There is no perfect projector for every condition regardless of price. Look at the qualities that are important to you. Both of these are good, you just have to pick which works better for the majority off your viewing. Like I would never pick a projector based off its 3D capability if I only watch an occasional 3D movie.