I have not tuned my system fully yet as I wanted to wait until the speakers have loosened up. Sound is clean, but tuning (of time-delays, x-over points & eq) will be vital as I feel that the settings I was suggested by the installer I bought the system from leads to a system with too much deep bass, lack of mid-bass & too much highs. My aim is to properly measure the frequency response and use this as a help in the process, but it might be too ambitious at the moment as time is limited. But in general I would say that it is better to spend money on tuning the system rather than to buy expensive hardware, so the choice of a highly competent installer is key!Any updates on the stereo? Was it all worth it? I've been quoted around $5k for a pretty solid setup including new headunit, amp/dsp, and a 3 piece illusion audio set and I'm debating on whether to downgrade slightly or just pull the trigger. Installation and soundproofing/tuning is included.