ah, since you asked, and Azi's already said something...
Check out Azimer's audio versions .20 - .40 beta. They are in 1964, versions .72, .83, and .84. They are Very nice. .40 is best for high-spec systems since it uses some sort of mp3 cpmpression or something else fancy. .21 and .3 are all very nice. Make sure that if you try .40 you set synch game to audio. using the .21 style sound doesnt' appear to work so well with .85 if that's what you are using.