As far as I know, the only difference between Normal and Extra is the number of active compiz plugins, which can be inspected with gconf-editor (or by running: gconftool2 --get /apps/compiz/general/allscreens/options/active_plugins). On my computer (lucid) it just adds "shift" and "wobbly".
As far as I know, the only difference between Normal and Extra is the number of active compiz plugins, which can be inspected with gconf-editor (or by running: gconftool2 --get /apps/compiz/ general/ allscreens/ options/ active_ plugins) . On my computer (lucid) it just adds "shift" and "wobbly".