Reminiscent of Bose's classic SoundDock, the new Philips Fidelio SoundAvia ($229, aka AD7000W) has entered the market as the least expensive AirPlay wireless option to date. Featuring a brushed aluminum top, a fabric front grille and a glossy black plastic back, SoundAvia unusually has its power and volume buttons hidden on its back, with wall power, USB, and auxiliary audio ports sitting alongside a Wi-Fi setup button below. The USB port can be connected…