I'm really happy with the system currently in my truck, so much so that I finally decided to pull the trigger on going three way in my car as well. It gets better and better as I'm getting better at tuning.
Arc PS8 DSP
Phoenix Gold Ti2 1600.5 for sub, mid bass, and mids
Arc KS 125.2 for tweeters
SI TM65 MKIII
Audiofrog GB25
Audiofrog GB10
Audiofrog GB12D4