This is my setup so far:
Kenwood DDX7015 head unit with Kenwood KNA G510 nav. I also fabricated a custom mount for the ipod/iphone in the center console area in front of the shifter:
Eclipse SP5700 components, with the front tweeters flush mounted up higher on the door panel:
In the trunk is a Directed Audio D2400 amp DC Audio Level 4 12" sub wired to a 1 ohm load in a custom box (I made it, 3/4" birch plywood, 2.25 ft^3 tuned to 33-34hz: