The Sony MEX-GS600BT's App Remote function is not very useful without a dashboard mount for your phone, but everything else about this full-featured car stereo makes it easily recommendable.
Most recently, Pioneer announced an update to its flagship model with its reveal of the AVIC-Z120BT in-dash navigation system, a double-DIN receiver that features some pretty heavy integration with Pioneer's software suite for multimedia and GPS navigation: PandoraLink, MusicSphere, and AVIC Feeds.
Pioneer takes in-dash smartphone app integration to Ford Sync levels with AppRadio, a receiver that uses the iPhone and its apps as the primary source of for its audio and connectivity.
The 2014 Mazda6 i Grand Touring outshines much of the competition in the battle for your midsize sedan dollars, hitting most of the right marks, but some of its luster is dulled by the more powerful and efficient turbo-diesel and i-ELOOP models just around the corner.
The Alpine CDE-124SXM is a great value for those who want to upgrade their car stereo with USB/iPod connectivity while adding very good SiriusXM connectivity.
Pioneer's AVIC-X920BT not only addresses the core needs of most people, but also it's software is expandable to bring Internet radio into the car, harnesses your media library, and can help you get where you're going as economically as possible.