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My comments are on Justin Carter's screen ideas for this projector. Screens should last 10 to 40 years, projectors get obsolete as fast as computers, 3 to 5 years. Spending more on a screen than a projector can be a good idea. Pull down or electric screens wrinkle in time unless you keep them open. Fixed screens are cheaper and last longer and can be hidden by a curtain. Screen size is an opinion or guess mainly controlled by how far back you sit. For video tape, sit at least 2x the screen width, DVDs, 1.5x, Blu-ray, 1.2x. If the movie is filmed properly with minimal pans, zooms, and close-ups, sit closer, if the movie pans, zooms, flashes, jerks, sit far back. High screen gain and bright projectors like this one can cause hot spots where for example a high mounted project projects down on a screen and the audience sits lower than the screen causing you to see an overly bright spot on the screen. With this projector and dim lit living room, you may want to choose a screen with a gain of 0.7 to 0.9. A gray screen should improve the contrast making the blacks look blacker and colors more accurate. If you want a cheap screen to match a cheap projector, go to your favorite paint store and ask them for special paint for projection screens and paint your wall. I recommend a shade of gray for this bright projector to compensate for the lower contrast.