The Australian Twitter page announced that an announcement will be made tonight at 6pm (French time). A few minutes later, the official Twitter page posted the simlish present on the official website. A report? The site Beyond Sims thinks that it would be the translation of this text. Answer in less than an hour.
For all those hard core fans of The Sims, something is starting at 2AM AEST May 14... Stay tuned to @TheSims3 to find out more... / For all you big Sims fans, something will start at 6pm (France). Stay tuned to the Twitter page @TheSims3 for more information.
EDIT: @TheSims3 announced that the announcement would be made a little later...