Earlier this year, Audioengine rolled out the practically universal AW1 wireless audio adapter, and we certainly enjoyed our time with it. Now, the outfit is making the anticipated leap to iPod-dom with the sequentially named AW2. Put simply, the kit contains two main pieces: a transmitter that plugs easily into your dock-connecting 'Pod and a USB-based receiver with a 3.5-millimeter auxiliary jack. The system operates on the WiFi frequency band and promises no dropouts, static or interference from CB radios whizzi