Gran Turimo 5 test play at Tokyo on 18 April
The latest version of GT5 was available for test play at Tokyo on 18 April, 2010. I think the content was the same as what was seen at CES game show on March 2010.
I played it myself too, and the motion of the cars were as real and smooth as cars you see on streets. Totally awesome graphic work! I asked one of the Publicity guy from Polyphony Digital about the release date, and he could only say the game was still under a further development, seeking higher quality. I personally thought this test play version was already a product-release level though.