What kind of music are you going to listen to? How much space can you give up in your ride? Is your old school amp a two channel, less than 2 ohms stable in a bridged configuration?

__________________
Pioneer Premier DEH-P800PRS
Pioneer Premier TS-A 520PRS
Pioneer Premier TS-A 720PRS
Digital Designs M3
Digital Designs S4
Digital Designs A2 for DD tweeters in my dash
Digital Designs 9110d x 2
Streetwires makes my world go around
Hushmat keeps it real
Kinetik Batteries keep it running
142db in an SQ Sentra.