There are not many convincing rumors about the upcoming Canon DSLR announcement(s) for Photokina - there is a good chance that there will be only one new DSLR camera to compete with the upcoming full frame Nikon D600. Here are the rumored specs:
The Canon 5DII is expected to be discontinued at the end of September. It seems that the previously rumored EOS-3D X and EOS-7D Mark II cameras will not be announced at Photokina.