I'm new to pc gaming and I don't know too much about motherboards yet but these are my two choices, the asus 970 aura or the 990 gigabyte, I have 4x8 gb sticks of crucial ballistic tactical ddr3 ram, my cpu is the amd 9590fx black, gpu is evga geforce gtx 960 ftw, and my choice of coolers is the lepa exillusion 240 or the cool master seidon 120, my case is a in win 303, which is the better choice?