I used Crutchfield as well and recommend them.
I went with the Kenwood Excelon DMX906S, PAC RP4.2-TY11 Wiring Interface, Metra 95-8210 Dash Kit (which is junk!) and the Crutchfield ReadyHarness™ Service.
The unit is nice and I like the wireless Android Auto, which has been solid with a Pixel...