I have had one for nearly a month now. This is a really really good phone. I had a GS2 before and really like it, didn't exactly see the benefit of upgrading. But with the Galaxy S3, everything that was slightly sub-par or annoying got replaced by very pleasant and powerful. The screen is really really good whatever people say, it is I think as good as the One X. When it comes to the camera, it doesn't have the same camera as the iPhone 4S, but a tweaked version of the same sensor, the pictures and videos are really impressive in low lights, more than on the iPhone 4S (although when the iPhone 5 comes it will probably more than catch up). Compared to the One X that I was able to test quickly, it seems that although the One X' lens opens slightly more (f2), the pictures don't seem as good to me. Overall probably the best phone I ever had. The only downside in my opinion is the design, it's not ugly but it doesn't look that good either.