I am thinking the same thing! Wow! New user here. I was thinking how I could get my garmin/magellan whatever to video out to the AVH4200, or even an Android tablet. Not sure if this can be done, but I wanted my cake and eat it too.
I am on a HUNT for the ultimate doulbe din car stereo... Been on the fence about Pioneer, Kenwood, and Sony, and heck maybe JVC, I do like the detachable face feature (too bad it is the only feature I like, LOL) even looked at weird brands, thinking I could find some jewel in the coal, but...
What got me to join was where are you finding x920bt's for u