In advance of online support shutting down for Gran Turismo 5 at the end of May, Sony is removing all DLC for the game from the PlayStation Store on April 30. Some, but not all, DLC will be re-downloadable through PSN after then if you already own it. See this link for more details.

To celebrate the 15th anniversary of Gran Turismo, reader Ilya made this tribute clip that rivals anything developers Polyphony Digital have made for the series over that time.