vmarks: Putting Airfoil Speakers for Linux on there would be just fine. However, realize that Airfoil Speakers works exclusively with Airfoil (for Mac and Windows), not with iTunes. You'd need to pull the iTunes audio out with Airfoil, and send it along to AFS.

Borland: See this follow-up for a full explanation - http://www.rogueamoeba.com/utm/2008/03/16/mea-culpa/