http://bugs.winehq.org/show_bug.cgi?id=19370
--- Comment #6 from Michael Wilson michael.wilson1990@gmail.com 2009-07-28 06:23:33 --- Sound wasn't working for me either in MI:SE till I tried this option. I think there's quite a good chance it may work for you, because I'm also running Arch Linux and got a Intel HDA sound card.