confused about choosing the best z170 gaming motherboard

[hangman1998]

hello every body.
im about to upgrade my PC (which i have not upgraded since 2009 so reasonably dont no much about the newest features ) and have been struggling to find the right mb for my rig.
im gonna do mostly gaming and i have only access to the motherboards listed below which are ordered by the price(you can see the price in front of every MB.)
would be glad to know your advice about the best punch for the price,
Rig:
i5 6600k
msi gtx 1070
geil potenza 2400 16gb
termalright le grand macho

@just to know im looking for something around 700T
MB List:
maximus viii hero alpha 1040T
AsRock Z170 OC Formula 1000T
Z170X gaming 7 975T
Z170X gaming 6 965T
Z170x-UD5 920T
maximus viii hero 885T
Z170A Gaming M7 840T
Z170X Gaming 5 815T
maximus viii gene 795T
sabertooth z170s 770T
z170a gaming m5 745T
z170x-ultra gaming 726T
maximus viii ranger 725T
z170 extreme6 690T
z170x-ud3 645T
z170-pro 630T
z170x gaming 3 620T
z170xp-sli 622T
z170a gaming pro carbon 605T
asus pro gaming 590T
z170a krait gaming 3x 585T
z170-a 570T
z170a gaming m3 550T

 

[Tradesman1]

Of those and your proposed budget - I'd go the Asus Z170 Pro Gaming, great mobo, have done a half dozen builds with it. Next up I'd go the Z170 Hero (what I have (in sig), but that's over your budget