And now we're at a crossroads. Apple is about to start hitting the wireless media streaming game hard with AirPlay and an armada of third party manufacturers. Meanwhile, Sonos is improving its already impressive streaming ecosystem with a now-shipping Sonos Wireless Dock (WD100) for your iPod or iPhone that can stream your device's music digitally to any of your Sonos ZonePlayers. It's not that bad a buy at $119, especially if you already have a big investment in Sonos. Plus, Sonos has plenty of other perks (like great support for online streaming music services) that it would be happy to point out to you. Still, we can't