Also, GT6 probably will be announced today
EDIT it has been announced
-will be released for PS3 holiday season 2013
-New Game engine for smoother and cleaner game play
-They have new physics engine, with new suspension, tire, aero modeling.
-200 more cars available than GT5 (1200 available when game releases with additional cars released after launch)
-33 locations, 71 course layouts with 19 brand new ones
-new tracks released every month via dlc
-Expanded connectivity with other devices such as smart phones and tablets.
-new course maker that encourages players to created their own racing communities and championships