Its all a matter of preference. Front panel anything is clutter to me.
You should really check up on the specs of other manufacturers because as much as I hate to do it I have to burst your bubble as neither of the two mentioned had had the top dog spot on any Nvidia card for a few generations, Zotac has squeezed out by a narrow margin in the factory configs and its no different with the 1080Ti as the ZOTAC GTX 1080 Ti PGF Extreme OC tops the Gigabyte.
We are talking core clock boots between the 3 being a pretty tight race.
reference clock is 1480
Boost clocks
Asus 1708
GigaB 1721
Zotac 1733
Taken from 3rd party reviewer, not the manufacturers fluff and stuff pages.
Give it some time and lets see where the chips fall, This is brand new and not many samples are on the street yet.
What fluff says and what the real world shows are completely different stories. User benches and overclockability will tell the tale.
“Two things are infinite: the universe and human stupidity, I'm not sure about the former” ~ Albert Einstein