Pop is my new favorite. I started using it at the urging of friends, and love it. I've written a couple reviews of it on my blog, as it's been my "daily driver" for my laptop for nearly a year. I've been a Linux user since 1995/96, and a die hard Arch user for about 10 years. So why would I want a Linux distro that's super hands-off and easy to use? It's incredibly stable. "Set it and forget it". If I want a bleeding…
Nothing wrong with PopOS, but I'd pick plain Debian over Ubuntu. Just make sure to install from the "unofficial non-free media" if you're on modern hardware. Also the 'testing' channel of Debian makes for a great semi-rolling distribution.
I second the recommendation for using Debian as a rolling distro, under testing or unstable.