I installed the VoodooHDA kext last night, and I now have sound in 10.5.7 on my ADI AD2000b (the sound codec on the Asus P5Q-E motherboard). I'm not sure if surround is working, but I am getting sound now, however, some things are not working like they did in 10.5.6. When I use the volume wheel on my keyboard, the system sound doesn't make the little sound when the volume goes up and down, and the volume wheel doesn't actually lower or raise the volume. I went through all the selections in Input and Output in the sound settings and I couldn't figure out what to do. Sound works, but the only way I can raise or lower it is from the sound panel (the icon in the task bar doesn't work either).