Originally Posted by DArtagnan 
A monetary system would be ok in that case, because accumulation by the few would not harm the many. But it's still a needlessly intangible system - and it wouldn't make any sense in the world I'm talking about.
The world you're talking about couldn't include any humans, we're simply not capable of the sort of collective morality and fairness required for a system based on "need first and luxuries second".
Sad but true.