Had a graphics glitch when exiting pits, the screen had some minor freezes
so I thought it best to update the ATI drivers from 4.9 to 4.11.
The freezes went away but the frame rate dropped, specially in multiplayer
where the game became unplayable. Reverted back to the 4.9's everything's
fine now (except for the freezes...).
Just thought I'd post this in case somebody has the same problem.
Joao Gonzalez