I've just noticed that when I hold the accelerator at a certain point, the revs and amount of acceleration in the game seem to jitter all over the place. Not a major problem but quite annoying... 
Anybody else had this problem?
I've tried restarting the computer, recalibrating the axes, unplugging and plugging back in the wheel... um... revving it a bit
EDIT: Now it's started jittering with my foot flat to the floor :S

Anybody else had this problem?

I've tried restarting the computer, recalibrating the axes, unplugging and plugging back in the wheel... um... revving it a bit

EDIT: Now it's started jittering with my foot flat to the floor :S