Help me pick a motherboard for the i7-4790K!

BigLouis1971

Honorable
Aug 23, 2013
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I live close to Micro Center and I'm limited to their inventory cause I need the combo discount. I have some possible alternatives which I'm posting below:

1) MSI Z97M-G43
2) ASRock Fatal1ty Z97 Killer
3) Gigabyte GA-Z97X-SLI
4) ASUS Z97-E
5) ASUS Z97-E
6) ASUS Z97-K/CSM
7) Gigabyte GA-Z97MX-GAMING
8) ASRock Z97 Extreme 4
9) Gigabyte GA-Z97X-Gaming 3

SLI/Crossfire is not a priority cause I'll be adding Geforce GTX-970 in the near future. M.2 socket is a priority. What can the experts of this forum tell me about those boards?

Oh, I also have a question a little bit out of subject. I plan to buy Windows 10 in the near future and I would like to know how easy it is to install the Insider preview to upgrade it later. I also need to know for how long I can keep the Insider preview installed in my hard drive.