Gran Turismo 6 to be revealed May 15th?

To celebrate one of the very best and the most realistic racing game series ever, Gran Turismo, a special event is going to be held May 15th at the world famous Silverstone race circuit in England. Kazunori Yamauchi will be "Making some exiting announcements of about the future of the brand". Maybe they will reveal Gran Turismo 6. Its rumored to come out on the PS3 this year. Do you think they will reveal it?

sources http://blog.us.playstation.com/2013/05/08/celebrating-15-years-of-gran-turismo/