Overclocking the GFX cards ? If using Afterburner or an equivalent, the 980 Ti actually outperforms the Titan X.
As for the MoBo, board owners seem to be increasingly dissatisfied with the Hero as time goes on. Part of that is due to the fact that it is about 50% more expensive than comparable boards from Gigabyte and MSI.
Hero VI - 14% 1 egg rating / 5% 2 egg rating by board owners
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131989
Hero VII - 19% 1 egg rating / 7% 2 egg rating by board owners
http://www.newegg.com/Product/Product.aspx?Item=N82E16813132125
Hero VIII - 16% 1 egg rating / 16% 2 egg rating by board owners
http://www.newegg.com/Product/Product.aspx?Item=N82E16813132565
The cheaper ($215), Gigabyte G1 Gaming 7 offers more than the Hero with half the negative ratings
8% 1 egg rating / 7% 2 egg rating by board owners
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128835
The cheaper ($170), Gigabyte G1 Gaming 5 is comparable to the Hero with a third of the negative ratings
5% 1 egg rating / 5% 2 egg rating by board owners
With X97, the Asus Z97 RoG boards stood out as relatively poor gaming performers next to MSI / Gigabyte, but Asus seems to have returned to form Z170 .... all Z1170 boards seem to be performing with 1 - 2 % of one another.