Rumors regarding Pioneer's AppRadio hit the web last month, promising unparalleled iDevice integration for our automobiles. Pioneer has finally unleashed the double-DIN device, and it's everything we thought it would be. There's an 800 x 400 6.1-inch multitouch capacitive display, Bluetooth connectivity, and it teams up with your iPhone or iPod touch (running iOS 4.2) via a 30-pin connector and Pioneer's AppRadio app. There's full iPod music control and Google Maps integration, and specially formatted apps from Rdio and Pandora. Pioneer suggests a price "below $500" wh