hmm, you could potentially replace all your speakers for around 200. I got a deal at tweeter when i had my acura legend and got eclipse 6.5"s coax with tilted tweeters all around for 200. I was really happy with those when compared to stock and the stock headunit is more than enough to drive them. Of course, they get better when you add an amp =) Anyways, I would highly recommend eclipse to you, although no one else here seems to.