Re: I am a newb, HELP!
He really didn't steer you wrong. That's not a horrible starter system to bang with and learn from. Switch out the wire kit for an ofc 4ga kit from Audio Technix or knukonceptz. Both are on ebay.
You have a link to the box? Prefabs aren't ideal, but SOME will do ok for a beginner that isn't interested in building one from plans.
CDT carbon fiber 6.5" mids & DD T2 tweeters on a Polk Audio PA D4000.4
SP4 15 w/ Tantric SHD softies on a DC 5.0k
2 runs Monster Cable 1/0, SounDrive rca's, Singer 310a 6 phase, Exide G78 under hood XSD3100 rear, plenty of deadener