I have a question about setting up a room for home cinema. I have read that it is necessary/preferable to have dark, matt walls in a room you are using for home cinema. I have had a demo of a projector and on that occasion the walls were pretty dark. Assuming you are able to black out the room altogether and you are using a proper screen, how important is it to have dark, matt walls. To what degree will the image be compromised if your walls are cream coloured for instance?