Originally Posted by snowpine
You can choose which desktop environment from the GDM/KDM login screen. So simply:
sudo apt-get install ubuntu-desktop kubuntu-desktop
Then log out and choose which one you want from the Sessions menu on the login screen.
Looks like I had them both installed correctly but for some reason the ubuntu side was not giving me the options to change. I edited the /etc/X11/default-window-manager to say
and then I am able to pick between KDE and Ubuntu Desktop Edition.
Thanks for the the hep and the point in the right direction.