Here's the final setup:
Scanspeak Discovery 8's, 5 1/4's, and 4's.
Scanspeak Illuminator Tweeters:
3 Massive Audio NX4's and a Massive Audio N4:
2 Phoenix Gold Titanium 15's in a 3c/ft sealed enclosure:
Amp rack with fans and spare battery in back:
This video was taken with the N3 installed (1400wrms), I currently have the N4 (2000wrms) installed and it gets noticeably louder.