I have the Infinity 693.5i's in the rear deck, and I was looking at the Infinity 6.1's for the front doors, but was also interested in Diamond Audio and a few other brands. I'm looking to spend 200 or less. I wanted your opinions on whether I should stick with infinitys or if there was a better SQ component set for that price. Also, does a component set make a big difference over coaxials and a separate tweeter? My other option was to buy the Infinity Kappa 10.5t tweeter and Infinity Kappa 63.5i coaxials. Which of the options do you guys think would work out best.