Other than confirming again that the next game will NOT be called “Kingdom Hearts III”, it has now been confirmed in Dengeki PS Magazine that:

Tetsuya Nomura has claimed that he cannot reveal any more information about the “New Project” until the announcement at the Tokyo Game Show 2007 in September.

Unfortunately, this may mean very little news for a couple of months, but we’ll still keep you up-to-date on anything new!