Good head unit to upgrade a base Z with if I just want nav and camera?

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I'm considering buying a base Z, but I really want a car with nav and a backup camera.

I'm not too concerned about upgrading the speakers themselves, since I'll mostly be listening to the sound of whatever aftermarket exhaust I get.

(Actually, I'd consider upgrading the speakers, too, if I can upgrade the quality substantially without spending too much $.)


I don't mind spending some $ (like, $1K or more) on a really good head unit if the functionality it has is substantially better than cheaper ones.

I don't have a smart phone, so I'm not too concerned about a head unit that features a lot of phone integration.

I would like one that supports Sirius/XM, though.


I'll probably have a shop do the upgrade.


Any suggestions on a head unit/camera combo?


I kind of like this Kenwood one--but that's mostly because it seems to have a physical volume knob (having to use the screen to change volume would annoy me, I think).

Kenwood Excelon DNX692 Navigation receiver at Crutchfield.com