I'd love to go SSA everything, but I'm old.
As in 42.
Still like my tunes, but am running some old-school gear, I don't need 5K watts or to hit 150dB.
Currently running a JVC head unit (for the last 3 years), have a new one with Bluetooth capabilities waiting to be put in
http://www.ebay.com/itm/JVC-KD-R730...r_Audio_In_Dash_Receivers&hash=item416b908930
Have that (hopefully soon, once it gets repaired) running into a Kenwood 11 band EQ
http://www.ebay.com/itm/OLD-SCHOOL-...647?pt=LH_DefaultDomain_0&hash=item1c2c09ee67
From there, have a Kenwood 40x4 amp pushing my Crystal Mobilesound 6x9's in the rear, and the 6 1/2" JVC's in the front doors. Have a Kenwood 250watt mono amp pushing a pair of Powerbass S-10 subs in a center console between the front seats, and have a Lightning Audio 500.1 mono amp pushing the waaay-back-when pair of Celestion AD15H subs I've got fiberglassed into the rear quarter panels of my '96 Tahoe.
The rear enclosures are about 2.5 cubes each, and don't use any of my cargo area - I work as a General Contractor, need every inch of space for tools. The center console is a hair over 2 cubes for the PB 10's, and has a storage area on top for my paperwork and crap. The three amps are mounted under the console (the subs fire down), along with a distro block and a 1 farad cap.
I listen to everything from Eminem to Five Finger Death Punch, from Guns n Roses to Iron Maiden, from Evanescence to Slipknot. The 10's by themselves are really all that I ever need, and will probably be all that I'd put into my next vehicle... but it's nice to have the 15's in reserve
.