hey what about my question ?

i will get better sound with a audigy2 soundcard then a new kenwood 7017 6.5" or my current alpine unit? sound is big concern. and i hear iguidance is the best navi to use if i live in the usa..as im from palm beach,fl. I dont want to loose sound with my 2 w6's 12inch and my cdt audio eurosport 620's..