Great Game!
It's a great game with a real challenge in some races.
Saving up now for the 2007 F1 Ferrari, which is also known as "God Mode".
This is not simply a demo, but a great game with plenty of cars to choose from and plenty of finetuning, at least in the US/EU version. JPN and HK versions are smaller, with less cars and no tuning, so go for the US version!