I'm running FF-wayland on Gnome classic.
I feel (not mesured) it starts/acts soemwhat faster (Intel onbord graphic if this
matters)
same goes for Thunderbird.
To me running the desktop on wayland has some nasty copy&paste bugs.
if you want to do it as me don't forget to swap FF and TB with their wayland parts in
the action bar (correct naming ?!)