Hi, I have demoed the C3X quite a few times and the quality of the picture has differed substantially. The first one I demoed had excellent shadow detail and depth to the point where it looked almost holographic with HD. Even when I attended a sim2 event it didn't look as good as that one. Other times I have seen it, the shadow detail was lost, it seemed to rise out of black to early and the image depth looked above average but nothing special. I have read in various threads and reviews that the gamma setting makes a big difference but I have never played around with it in the user mode. I thought it might be software but the first demo was 6 months ago and I haven't seen it better since. What concerns me is whether this is purely a case of calbration or whether specific models (older perhaps?) differ in quality. When you compare the reviews on projectorreviews and avscience to the one on avrev.com they sound like different projectors and my demo experiences mirror the diversity of these reviews. Can anyone help or clarify this for me?