I can't really decide, I love the brand ASUS and have never had problems with their products (except for my laptop, but meh). I have also never owned a gigabyte component, but I just saw this board earlier and it threw me out of my set choice on my mother board. I also love the look of the ASUS board, but here are the two options.
ASUS Z87-Deluxe
Gigabye Z87
ASUS Z87-Deluxe
Gigabye Z87