Check out Rogue Amoeba's Airfoil Speakers. They have exactly what
you're looking for, but I think they may only distribute their
application pre-built for x86 linux. Maybe you can cut a deal with
Date: Thu, 28 Jan 2010 19:25:01 -0300
From: Victhor Foster <firstname.lastname@example.org>
Subject: Re: [Gumstix-users] iTunes Remote Speakers
To: "General mailing list for gumstix users."
Content-Type: text/plain; charset=us-ascii
I didn't know there was such a thing, third party AirTunes products.