Is an Egalitarian society possible??

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A comment which I wrote on Jaya's blog. It was spontaneous (ok, such ideas are always cooking in my head) and is as below (the non-relevant parts are edited):

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Is egalitarianism possible in the real world?

If no two individuals are "inherently" the same, is creating conditions where they enjoy similar quality-of-life a sustainble equilibrium?
Of course, the "inherent" difference creates - in subsequent iterations - the "not inherent" or imposed differences which appear unfair (and many social/political/economic attempts have been made to address the distortions).

A way out...since every individual is "inherently" different, he/she would be satisfied in different slots. Thus an equilibrium wherein everyone is happy might be actually possible.

One way to ensure that would be be a superstructure (call it Govt., call it politburo, call it whatever) that would do the "best-fit" match.

A second way: Assume humans to be rational, provide them the "complete set/freedom of choices" and they will find their own slot. Actually, in this model, the "complete set/freedom of choices" need not be "provided" by a superstructure. If humans are rational, they would (possibly after sufficient hitting their heads against each other and the wall) realise this, and the free-flow and access of information (we see the rudiments, our good old Internet :-)) would hasten realisation.

And one line of argument could be that "the set of choices" available too should depend on the "inherent" stuff. That'd complicate the situation, necessiate the role of an arbiter...very, very risky.

Are humans "inherently" different, are they "rational"...I don't know!