Currently running a near-perfect build of Sierra 10.12.6, any real reason to upgrade to High Sierra?

Sierra is running like a champ on my i7-7700k, GTX1080, 16GB RAM, SSD. Everything (except Continuity) works, and I haven't encountered any bugs.

So my question is, to those of you who upgraded from Sierra, how has your experience been thus far? What features made it worth the upgrade? Do you use the new file system or the HEVC encoder?

Older reports on this sub claimed HS was a buggy mess, (especially for those running pascal nvidia cards), but now that a bit of time has passed I'm curious to hear if that's changed.