So many manufacturers of automobile audio. Who to choose? I was looking around online and found a silverado that a company had done(for the life of me I can't remember them) that had used Dynaudio's speakers and woofers and tweeters, etc., and Tru Technology's amplifiers. I don't know much about actual audio(Ohms, Watts, Amps, etc.) but I was wondering who would be the top five speaker(tweeters, mids, lows) makers? Subwoofers? Amplifiers? And price ranges for them, if you feel like typing them.