I have a 98 chevy 1500 reg cab with stock sytem. So far I have bought a 10" JL w2 and Rockford Fosgate P200-2 Im going componets for the front but cant decide between these: 1. Infinity kappa 2. Mephis M class 3. Alpine type R 4. Polk audio 5250 head unit im going with pioneer premier 4900. anyone have some advice for me, I cant decide on componets any one own any of these? I listen to Rock (Iron Maiden, Tool, AFI) and Trance (paul oakenfold, BT, Crystal Method). thanx again.