Would it be possible to have both the estimated time left, and/or alternatively (just) the percentage of "fuel" left? Who knows, maybe some that constant calculating of time/fuel ratio is helping waste wattage for those who don't need it.
And, the restless masses are clearly demanding some kind of a fix to the one-step softpoweroff/offline question. The default behavior requires hardware press, careful menu selection (not to invoke screen lock) to select offline, another hardware press, another menu selection, and even then the screen stays on until its timeout...