Anybody found a cure for this yet??

I have a nvidia nforce2 board with built in sound, the game runs smoothly video wise with a few settings altered but the audio lags terribly.
I waited for the 1.4 patch which made no difference and ubi don't seem to be acknowleging the problem at the min other than the same prob but with high end sound cards.

I've tried changing the audio from software managed to hardware and also auto detect but to no avail.

Due to the age of my system there has been no audio drivers released since circa 2005 so I'm stuck as to wether its my card or a bug in the game?

Any help apprecaited this game looks right up my street and the way ubi goes about things the servers will be dead by the time I get to play it.