Hi Dave,
I have switched one of my RPi4s to Bookworm.? You can go into the command line Raspberry Pi configuration (sudo raspi-config) and select X or Wayland as the interface.? It is in the Advanced Options.
Once I did that, I did not see much difference with Bookworm.? I am getting ready for the RPi 5 that I have on order.
73
Evan
AC9TU