I ended up going with 12 XFX RX 570 4GB and 10 Gigabyte RX 570 4GB.

I have 8GB versions and 4GB version of cards and im getting the same hash rate to not want to spend the extra $100-$150 mark up retailers or amazon is doing.

I will have a total of 5 Rigs each having 6 AMD cards. I will have a 6th rig with 2 cards in it used for testing, modding the bios, etc from the main groups.

The retailer's took care of the 2 limit per household issue for me so I was happy about that.

CPU, RAM, Server PSU and Breakout boards will be here within 10 days now or less.