Not quite but use modifiers with the power button to do the following.

Control + power = show shutdown dialog.
 Option + Command + power = Sleep mode.
Control + Command + Power = quit  all applications and restart the computer.
Control + option + Command + Power = quit all applications and shut down the 
computer.

Hope this helps.

Danny:

On 21/01/2013, at 2:21 PM, Alex Hall <mehg...@gmail.com> wrote:

> Not just that. When you push the power button you get the dialog with buttons 
> for sleep, restart, shut down, and so forth. Do these have hotkdys vo simply 
> can't see?
> On Jan 20, 2013, at 10:17 PM, Kawal Gucukoglu <kawa...@me.com> wrote:
> 
>> I've not found the hot keys yet.  I understand now what you  are asking now 
>> if you close something before you finish it. 
>> 
>> On 21 Jan 2013, at 03:12 AM, Alex Hall <mehg...@gmail.com> wrote:
>> 
>>> Saving was an example. Take, for instance, an email, When you close an 
>>> email without sending it, you are presented with a dialog with three 
>>> buttons to save a draft, don't save, or cancel. What I wonder is if this 
>>> and other dialogs all have hotkeys for the different buttons? I know 
>>> applications have hotkeys through menu items, but dialogs, by definition, 
>>> have no menus and therefore no menu items to bind to hotkeys.
>>> On Jan 20, 2013, at 9:55 PM, Kawal Gucukoglu <kawa...@me.com> wrote:
>>> 
>>>> You don't have a save button on the Mac. Once you have done something, 
>>>> just close the window and it's there for you next time. I prefer that to 
>>>> be honest.
>>>> 
>>>> On 21 Jan 2013, at 01:28 AM, Alex Hall <mehg...@gmail.com> wrote:
>>>> 
>>>>> Hi all,
>>>>> I was reading through some of Apple's developer documentation and I 
>>>>> stumbled across a way to assign hotkeys to buttons in dialogs. For 
>>>>> instance, if a dialog comes up asking you to "save", "don't save", or 
>>>>> "cancel", you might hit cmd-d to activate "don't save". This is similar 
>>>>> to Windows' scheme of letting you press alt with a key to activate a 
>>>>> button in most dialogs. Ever since I started using the mac, the absence 
>>>>> of these access keys has bugged me, as they are such time-savers, 
>>>>> particularly in dialogs with a lot of buttons to tab or vo-arrow through. 
>>>>> However, having discovered that it is possible, at least 
>>>>> programmatically, to implement access keys, I have to wonder if these 
>>>>> keys are available, but simply not announced by Voiceover? Is there a 
>>>>> setting that will let vo speak the keys, much like NVDA or Jaws on 
>>>>> Windows will say something like "save button, alt plus s"? Or is the case 
>>>>> simply that, while access keys are possible, no one uses them? Thanks.
>>>>> 
>>>>> 
>>>>> Have a great day,
>>>>> Alex (msg sent from Mac Mini)
>>>>> mehg...@gmail.com
>>>>> 
>>>>> 
>>>>> 
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>>> 
>>> 
>>> 
>>> Have a great day,
>>> Alex (msg sent from Mac Mini)
>>> mehg...@gmail.com
>>> 
>>> 
>>> 
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>> 
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> 
> 
> 
> Have a great day,
> Alex (msg sent from Mac Mini)
> mehg...@gmail.com
> 
> 
> 
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