I recently bought a new 08 chevy colorado regular cab. I have a few ideas that I put together, please give your input on what I have come up with. I want something that is going to sound good, but I don't want to be popping speakers all of the time either. I am looking at either a double din pioneer with BT or Apline single din. I have room for a set of Polk db6501's up front (limited by door mounting depth) being pushed by a Polk PA250.2 and since I really do not have much rooms for 10's in the back (measured, didn;t like the fit) that I could fit 3 8' Polk MM2084's being pushed by a Polk PA600.1. I came up with an ohm load of 1.33 which should be more than fine with that amp and should be just under 200 watts a sub. My biggest question is how would this setup sound in a reg cab truck and will the speakers handle this power? I know distortion normally kills a speaker (which I set my gains with a dmm first and then fine tune from there) but at the same time, I don't know how much "headroom" these amps have. I was thinking about going with the JL 8w3 sub at first, but I hate to ruin an all Polk setup. :D Any and all responses greatly appreciated.