nozbe is well designed and useful 
(via Web Worker Daily: Open Thread: How Do You Decide What To Do from Your To Do List?)
Merlin Mann asks what does priority really mean as in “what really should be done next” !
Reminds of Gandhi who wrote towards the end of his life : I will give you a talisman. Whenever you are in doubt or when the self becomes too much for you, apply the following test. Recall the face of the poorest and weakest man whom you have seen, and ask yourself if the step you contemplate is going to be of any use to him. Will he gain anything by it? Will it restore him to a control over his own life and destiny?
Coming back to what priority means to me..
perform the action that will increase the harmonic wealth the most ! (HarmonicHealthWeekend)