I haven't found any other way than doing it from the xterm.

xterm ->
'su -' ->
'meego' as the password ->
'reboot' or 'shutdown now'

I too checked the latest image. Again required two reboots until things settled, including battery image which turned normal eventually (was light blue rectangle before that). Had couple of errors after first boot such as lock screen getting stuck and not reacting to input at all.

Looks like virtual keyboard is gone or not started automatically, which is bad since it contains some characters you can't get from the hw-keyboard currently and thus keeps me out of my WLAN.

General feeling is that it is again smoother. Possibly less problems with task switcher too.