Airfoil speakers

I wasn't clear what this meant at first, i.e. until I ran the app. It came free with Airfoil, and is effectively a digital equivalent of an Airport Express! I was running WKSU to the stereo via iTunes, and could now effectively add the iMac 5:1 system as a destination :) There was a bit of echo but not too bad.. this is a fantastic product, my only complaint being that its a bit too geeky for most people to get their heads round from a spec/manual point of view, though simple in actual practice.