Haven’t used MX Linux myself, but I hear it’s pretty neat. It uses XFCE by default as a desktop environment over more featured options like KDE Plasma, GNOME, or Cinnamon, but they do give you non-XFCE desktop options. If you like XFCE, it could be a good option, but if other desktops are better for you, I would try a different distro.

Linux Mint for Cinnamon, Fedora Workstation for vanilla GNOME, Fedora KDE or Kubuntu for Plasma would be my go to recommendations for most people.

If they don’t meet your needs, you have others, like Bazzite and Nobara for gaming, Arch-based distros for more tinkering around, OpenSUSE if you like Fedora, but want something based in Europe (over IBM and Red Hat), Debian if you want super stability, various systemd-free forks (like Devuan or Artix) if you want that, etc.