Aftermarket head units/nav question

EazyD

I got the Kenwood DNX6980 and it has some annoyances: 1) it's sluggish with UI controls, 2) it only supports phone bluetooth telephony. NOT music bluetooth (no A2DP support). I didn't know that until it was installed and I tried to listen to music.

I have an iPod cord plugged into it, though, which I did myself, and it works nicely.
I also have a Kenwood CMOS300 backup cam hooked up to the head unit and that's pretty great for parking/backing up.

What I'm saying is this line of headunits is nice, but my older (way less expensive though) model is limiting. I paid $700 for it from sponsor WickedCAS. They installed the unit, my camera (wired through my car next to hatch release button), steering wheel controls (+$100 parts)

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Pearl White 2010 370Z Sport, Stillen CBE, tint, K&N drop-in filters, GT-R start button, Kenwood DNX-6980 with backup cam, LED bulbs, Raceseng shift knob.