Sonos, creator of a well-reviewed, multi-room, wireless music system, has updated its software to support Apple's AirPlay. It means a Sonos music system owner can wirelessly send music from an iPad, iPhone or iPod touch to any room that has a Sonos Zone Player. The catch is that you have to buy a US$99 AirPort Express to plug into one of the Zone Players to get it working.
It's understandable that Sonos has to do this. AirPlay support is a hardware and software solution, and Sonos is not building AirPlay hardware into its Zone Players. I'm not sure this will be a big deal to many Sonos owners. The company already provides a
