I bought the Optoma HD131Xe Ultimate Full 1080P Home Cinema 3D Projector,18000:1 Contrast Ratio,24 Frames per second, 95.8VC01GC0E, have used it now for 4 months, it is a very quiet unit ( very low noise while running ). Picture quality is brilliant, bought the Optoma Panoview DS-1123PMG+ 16:10 Manual Pull Down Screen,DS-1123PMG+ screen with the unit ( about 10 foot across ). The 3D picture is excellent ( they do say the bigger the screen the better 3D affect ) Projector planet customer service was very good, very fast delivery of your order, arrived next working day. Project Planet, Excellent would use again 100%