Once you go tiling, you never go back …
Sometimes I find something interesting on /r/unixporn, but in general try to keep it simple and dark with i3, spacemacs and similar tools.
The switch to Wayland will happen some time after way-cooler goes stable I presume.
There are various ways to manage dot files. Personally I followed the advice of this blog post to just use a slightly unusual git repo and a shell alias to make it seem usual.