Having a hard time choosing 6.5 components - Infinity Perfect/ Hertz Legend/ Hertz Hi Energy/ Focal K2P

After going in circles over and over again, researching, reading expert reviews, watching Youtube videos (for what their worth), reading up on forums...on and on, I am still stumped. I am sure this happens to just about everyone that wants the best they can get for their money. So here I am, I believe I have it down to these four component sets and would like some outside input please.

I am looking for anyone that has experience with the four sets listed below (links included). My expectation/goal is to have clarity and precision at higher volumes while still providing a nice amount of midbass. 

More details:

car is a Honda S2000

amp is an Alpine PDX-V9 (100x4 & 500x1 RMS)

sub is a JL 10w3v3 

I realize there is a bit of a price disparity between the 4 of give or take $100 (the legends being on the higher end). The idea being that if the difference or performance warrants the price, I would be fine with spending the extra money. My end feeling was that their all within the ballpark of each other price wise.

http://a.co/9Q40NA2   Infinity Perfect 600 6-1/2" 2-Way

http://a.co/8g6ZUnf     Hertz Legend Mlk 165.3 2-Way

http://a.co/8j06rpH      Hertz Hi-Energy HSK 165 6.5" 2-way

http://a.co/0i5LowR     Focal K2P K2 POWER ES 165 K

And of course at the risk of further confusing myself, please feel free to throw another entry into the ring if you feel it is worth considering in the price range. 

Thanks in advance for anyone's time and input!