Pioneer AVIC-X920BT

Pros: Nice nav interface, excellent iPod/Iphone and Pandora interface, many features, software flexibility

Cons: Bluetooth audio firmware has problems and requires a firmware update that isn't yet available, can't stream BT audio from Android phones.

Summary: If it's important to you, be sure to test the bluetooth audio streaming before committing to this unit. It does fine as a bluetooth phone headset but bluetooth audio streaming does not work with Android phones. The installer and I spent nearly an hour trying to to make it work with both my Evo and his Droid X before giving up and calling Pioneer tech support. Pioneer tech support says they are aware of the problem and are working on a firmware update to fix it, no estimated delivery date -- would have been nice to know that before installing!

However, if you have an iPhone it interfaces very well with the iPod cable, good controls for the iPhone and also has software to control Pandora from the unit.

Some people have complained that they don't like the Nav user interface, I find it fine. It's not bad, just different from what Garmin, Tom-Tom, etc use.