We've seen Pioneer stuff its VSX line with 3D and Bluetooth goodness in the past; now, the Japanese outfit is unveiling its 2012 AV receivers portfolio in an attempt to widen its offerings. Starting with the lower-end models, the VSX-522 and VSX-822 are both packing 5.1 surround audio, while the main difference between the two is the lack of AirPlay and Bluetooth on the former. If you are, however, looking to go the premium route, you can snag the VSX-1022 or the top of the line Pioneer VSX-1
