You didn't even wait single review before decision. You will buy first model.
That mean if someone hurry and launch product no matter on negative sides and unfinished product you will pay him.
At least 2-3 review for GIGABYTE and 2-3 review for EVGA's model.
It's much easier when you pay to discover alone negative side and think Why I didn't look better...
I want to see how much is exactly cooler and is it really cooler VRM on GIGABYTE,
how much is overclocked EVGA, Package, temp of graphic processor, news about Vega, news about GTX1080Ti...
It's different when I knew that Rampage Black will be better with newer features and I wait strictly here some time, but I didn't want to buy expensive Extreme chipset 10-12 months before new socket with 1600 pins more and new chipset with 20 PCI-E lanes and than I decide to buy earlier normal version. But you still don't know what will happen when reviews compare them. TPU will compare all GTX1080 models and you will nicely recognize performance, noise, temperature difference. OC you shouldn't look because that's pure luck. GIGABYTE talk about some 2.3GHz after manual OC I don't believe in single words when we talk about warranty for overclocking.