27" iMac Wake-on-Demand anomaly...

[NATO]

I make regular use of the wake-on-demand feature of Snow Leopard but I've noticed that my new iMac doesn't throw up the usual dialog box (something like 'you might notice your screen come on when your Mac wakes up') when you select the 'Wake on network access' checkbox in Energy Saver preferences. Could someone with a 27" iMac please check this and see if their iMac simply checks and unchecks without a dialog box being displayed once they tick it?

Edit - It doesn't seem to matter actually, I've done a round of testing and it seems to work 100%. I thought that it wasn't working properly but even though no dialog box appears the feature does work.

 

[NATO]

Actually, I've noticed that the system isn't waking up all the time when I expect it to, I don't know if the wake-on-demand feature is working 100%. Could someone try clicking the 'Wake on network access' checkbox in Energy Saver preferences and tell me if it just ticks, or whether it throws up a dialog box which you have to click OK on?

Thanks.