ok i am trying to replace my componets i have a set of 6x9's in the front doors and a set of 6 1/2 in the rear doors i have factory tweeters in the pillars that i want to replace. I am wanting ti know what a good brand or some speakers that i should check into? i am ussing a pioneer headunit any help? (and woulld it be good to get tweeters for the front doors and the back doors or will the front do good enough i have a x-tra cab truck)