No, they have scraped the ''HD'' idea and replaced it with ''5
prologue'' but they will be making a bigger version of Gran Turismo
5 Prologue, called Gran Turismo 5 in February 2010, because there
are only about 60 or so cars.
The release date for Gran Turismo 5 is now TBA 2010 as of April
29 2010 has been announced 13 November 2010