hola! im trying to replace my current speakers which i've had for 2 yrs for fronts and a year for rear. i just want more sq. i was thinking about spendin 250 altogether. i need some 6.5's and 4.5's. what do you'll suggest? will be run by lanzar vibe410 in sedan. pref. coaxials unless can find equal clearness 6.5's in components for roughly same price. thanks!