Source: Gran Turismo 5 Prologue - Wikipedia, the free encyclopediaGran Turismo 5 Prologue (????????5 ?????, guran ts?risumo 5 puror?gu) is the upcoming installment in the Gran Turismo series, which was confirmed as a PlayStation 3 exclusive title at the E3 2007.
The game will be released on both the PlayStation Store and Blu-ray Disc on December 11, 2007 to celebrate the series' 10th anniversary. This short version title will be a precursor -hence the titlename- to Polyphony Digital's planned Gran Turismo 5. Gran Turismo 5 Prologue will feature 16-player online races, 40 cars, 5 tracks (8 layouts), and will support Full HD resolution (1080p) and 7.1ch (LPCM) high definition sound[5].
A free playable demo version was available in the Japanese PlayStation Store from October 20 to November 30, 2007.[3]
I am a huge fan of Gran Turismo, and I cannot wait for it to come out

And to make things sweeter DualShock 3 will be compatible with the game!