Hi. Not sure if my title asks my question correctly, but thanks for being patient with me if it doesn't. I would like to build an audio speaker that incorporates airplay/airtunes music streaming but without using an actual Airport Express. My understanding is that raspberry pi can do that, and that it costs around $45 or so. It sounds like raspberry pi can do other things as well. But I am only interested in the airplay/airtunes music streaming, and I'm interested if there is a hack (I guess that's the word) for doing it less than raspberry pi costs and without using an Airport Express. Thank you for any helpful feedback.