I don't know how others feel about it here, but I've recently returned to Linux as well and picked Pop!_OS for my gaming PC. The main draw was that you can download a spin with the Nvidia drivers preinstalled, so you can get up and running without any faff. It's also just really nice to use in general.
The caveat to all that is that the Nvidia drivers in the distro's repo are currently a little out of date, although a more up to date release is apparently due "soon" and should be completely tested for compatibility.
I just switched from Pop!_OS to openSUSE, but not through any fault of Pop. I really liked it in fact, and it was great to have a distro to show me out of the box what was possible on other distros after a bit of configuration. It's certainly tempting me to get a System76 laptop.