Just thought I would throw out something on how detailed this game will be...
This is concerning tire smoke:
"Advances in the physics and graphic rendering engines extend to special effects like smoke.
Gran Turismo 5 also brings an evolution in tire smoke simulation. By re-evaluating tire structures at the simulation level, Gran Turismo 5€™s advanced physics engine
calculates and simulates the surface temperature of the tires. This is applied to the basic principle of how tires generate smoke, and allows for the production of accurate and realistic tire smoke in the game."
Read more
hereKart racing
hereThere is even info on pebbles being kicked up during races, sparks thrown during collisions.
There is just too much, its equally awesome and mind-numbing!!!!!