I second @RogueAmoeba — Airfoil 3 IS awesome! Been using it for months. It can do 0.2 sec latency if you only transmit to computers.
More of a programming nerd than is strictly healthy. See also {nevyn.nu, thirdcog.eu, twitter}
I second @RogueAmoeba — Airfoil 3 IS awesome! Been using it for months. It can do 0.2 sec latency if you only transmit to computers.