So I think I have narrowed it down to this head unit:
Along with these speakers up front. A 6 1/2 for the lower door, 4" upper door, and tweeter either in upper door, or on dash:
Focal 165 KRX3
I'll be running the fronts off of a McIntosh amp. MC431, 100x4. I haven't chosen a sub yet, but I have a JL 500/1 amp for that. Not sure for the rear deck either. Probably something simple in a 5x7 just for a fill.