Throughout the morning they have released some pictures on the internet and a video on YouTube, which displayed some alleged images of a new model / iPhone redesign. The voice has spread like wildfire and has Apple finished blocking the original video, claiming copyright.
But the network is the network and is very strong. The video has been reuploaded several times and it is almost impossible to stop.
If some of these images seems that Apple intends to "improve" as it did with the 3G at the time, or maybe just a redesign of the current model. Until then, wait for Steve Jobs that it takes us out of doubt.