wattleferdz, I also have got Acer notebook, exactly Acer Aspire 5520G. It's equipped with mcp67 ethernet controller, so i am unable to make it working too :-( . Is your wi-fi adapter working? Mine one is atheros ar5007eg, and it's not compatible with 10.5.2

- so i'm thinking of buying an external one

my in-built sound was Realtek ALC268, which also failed to work, so I've bought Creative Xmod usb sound card and now having an excellent quality sound =) with such number of external devices it might be necessary for me to buy a USB xtender soon :-D