i everyone! need some help from you. Going to chage all sound in my z,but got some stuck.

First think,what i will put in:
On Front Focal 165A3 6.5 3 way component system,80 wat RMS

On rear will be Hertz Dieci DCX690 coaxial 3 way speakers 90 Wat RmS (with new space for them)

Sub Focal 25A1 200wat RMS

And now i stuck on amp. sub fine,mono amp,and lets go. But on speackers i watn to put 4 ch amp. and heare i need your helps. i found only 2 amps 1: INFINITY 475A or JBL gto1004

How do you all think,which is better? (or mby any alse in same price)
And how you think will be this set of speackers, Normaly?
many thanks for helping and for answers!