…and no new release date given.
According to Kotaku the slated March release (in Japan) of Gran Turismo 5 has slipped due to, well, no excuse has been given. And no new release date either.
However, according to Razzmataz.net, it’s delayed for 3 months, although where that information comes from is questionable.
All I know is that for those hungry for a new, quality racer on the PS3, the wait has now been dragged out indefinitely.